GLUTARALDEHYDE

GLUTARALDEHYDE (CAS No 111-30-8, pentanedial, C5H8O2) is an industrial aldehyde biocide supplied mainly as 50 % and 25 % aqueous solutions and used to control bacteria, algae and fungi in oil and gas production, cooling and process water, paper mills, animal production and industrial products, and as a tanning, crosslinking and disinfecting agent.
Glutaraldehyde is chosen by water treatment and oilfield chemists because it is a fast-acting, broad-spectrum, non-oxidising biocide that stays effective in the presence of hydrogen sulphide, high salinity and organic load, does not form halogenated by-products and is compatible with most metals used in pipelines and equipment.
Glutaral works by crosslinking amino groups of proteins in the cell wall, membrane and enzymes of microorganisms, which blocks transport and metabolism and kills the cells, including the sulphate-reducing bacteria that cause souring and microbiologically influenced corrosion.

CAS No: 111-30-8
EC No: 203-856-5
Molecular formula: C5H8O2
Molecular weight: 100.12 g/mol
Main industrial form: 50 % aqueous solution (also 25 % and blends)
Appearance: Clear, colourless to pale yellow liquid, pungent odour
pH (50 % solution): approx. 3–5
Specific gravity (50 % solution): approx. 1.12–1.13

COMMON PRODUCT & CHEMICAL NAMES OF GLUTARALDEHYDE:

GLUTARALDEHYDE, Glutaraldehyde, Glutaraldehyde 50 %, Glutaraldehyde 25 %, Glutaraldehyde Solution, Glutaral, Pentanedial, 1,5-Pentanedial, Glutaric Dialdehyde, Glutardialdehyde, Glutaric Aldehyde, GA, GDA, Glutaraldehyde Biocide, Aldehyde Biocide, Ucarcide, Aldesan

GLUTARALDEHYDE is the common chemical and commercial name, pentanedial is the IUPAC name and glutaral the INN/INCI name. In industry, GLUTARALDEHYDE is usually referred to by its concentration, for example "glutaraldehyde 50 %" or "GA 50". Ucarcide and Aldesan are examples of trade names for glutaraldehyde-based biocides. Many biocidal products combine GLUTARALDEHYDE with quaternary ammonium compounds (such as benzalkonium chloride or didecyldimethylammonium chloride), these blends have their own names and registrations and are not identical with GLUTARALDEHYDE itself.

WHAT IS GLUTARALDEHYDE?

The largest use of GLUTARALDEHYDE today is not in hospitals but in industry. Oil and gas operators use GLUTARALDEHYDE to keep injection water, produced water, hydraulic fracturing fluids, pipelines and storage tanks free from harmful bacteria. Cooling water and paper mill operators use it as a non-oxidising biocide that complements chlorine or bromine. Poultry and pig producers use GLUTARALDEHYDE-based disinfectants to clean houses, equipment and vehicles between production cycles, and tanneries use GLUTARALDEHYDE to make chrome-free and soft leathers.
For all these users, three properties make GLUTARALDEHYDE attractive. It kills a broad range of microorganisms quickly, it is not deactivated by hydrogen sulphide or reducing conditions, and it does not corrode carbon steel or stainless steel like many oxidising biocides do.

The dialdehyde is degraded in the environment and in biological wastewater treatment when properly diluted, and it does not bioaccumulate. However, the concentrated product is toxic and corrosive, and very toxic to aquatic organisms, so it must be dosed, stored and discharged under controlled conditions.

Main industrial markets for GLUTARALDEHYDE: oilfield chemicals (water injection, fracturing, pipelines, tanks), industrial cooling water, pulp and paper (slime control, additives), animal health and farm hygiene, leather tanning and retanning, in-can and process preservation of technical products, sugar processing, metalworking fluids, X-ray and photographic processing, embalming, and medical device disinfectants.

Glutaraldehyde is a saturated five-carbon dialdehyde, OHC(CH2)3CHO. In pure form it would polymerise, so industrial GLUTARALDEHYDE is supplied as a stabilised, slightly acidic aqueous solution. The product is made mainly by the pyran process from acrolein and a vinyl ether, followed by hydrolysis, purification and dilution with water.
In water, GLUTARALDEHYDE is present as hydrates, cyclic hemiacetals and some oligomers. The slightly acidic pH of commercial solutions keeps these species stable in storage. When GLUTARALDEHYDE is dosed into alkaline water, it becomes more reactive towards microorganisms but also slowly polymerises, so the biocidal effect develops quickly and is not long-lasting in the system.

CAS NO, EC / EINECS NO AND CHEMICAL IDENTIFICATION OF GLUTARALDEHYDE

Product name: GLUTARALDEHYDE
IUPAC name: Pentanedial
CAS No: 111-30-8
EC / EINECS No: 203-856-5
EU Index No: 605-022-00-X
Molecular formula: C5H8O2
Molecular weight: 100.12 g/mol
Chemical class: Aliphatic dialdehyde, non-oxidising biocide
Main functions: Biocide, disinfectant, slimicide, preservative, tanning agent, crosslinker
EU biocide status: Approved active substance (Implementing Regulation (EU) 2015/1759) for product types 2, 3, 4, 6, 11 and 12
REACH: On the Candidate List of SVHC (since July 2021, respiratory sensitising properties)

PHYSICAL AND CHEMICAL PROPERTIES OF GLUTARALDEHYDE

GLUTARALDEHYDE 50 % (TYPICAL INDUSTRIAL GRADE):
Assay: approx. 50 %
Appearance: Clear, colourless to pale yellow liquid
Odour: Pungent, characteristic
pH: approx. 3–5
Specific gravity (20/20 °C): approx. 1.12–1.13
Boiling point: approx. 100 °C (water)
Solubility in water: Miscible in all proportions

GLUTARALDEHYDE 25 % (EXAMPLE: SUPPLIER SDS):
Appearance: Colourless liquid
pH: approx. 2.9
Density: approx. 1.06 g/cm³
Melting point: approx. -10 °C
Boiling point: approx. 101 °C

Pure substance (literature): melting point approx. -14 °C, boiling point approx. 187–189 °C (decomposes), log Pow approx. -0.36.

Stability and reactivity: stable at slightly acidic pH in closed containers, air- and light-sensitive, polymerises in alkaline solution, reacts with amines, ammonia and other nucleophiles, incompatible with strong acids, strong bases and strong oxidising agents. May form explosive mixtures with air on intense heating.

Detailed specifications (assay limits, colour, acidity, methanol, iron) of the GLUTARALDEHYDE grades supplied are available on request from Ataman Kimya.

GLUTARALDEHYDE IN OIL AND GAS

Souring and corrosion: sulphate-reducing bacteria (SRB) and other microbes in injection and produced water generate hydrogen sulphide, form biofilms and cause pitting corrosion under deposits. Glutaral kills planktonic and, with sufficient contact time, sessile bacteria.
Hydraulic fracturing: GLUTARALDEHYDE is used in fracturing fluids to control bacteria that would degrade gelling agents (such as guar) or sour the reservoir.
Pipelines and tanks: batch or slug treatments with GLUTARALDEHYDE are used to clean pipelines and storage tanks and to control biofilm.
Combination products: GLUTARALDEHYDE is often blended with quaternary ammonium compounds, which improve penetration of biofilms and give a synergistic effect.
Dosage: treatment is usually designed by laboratory bottle tests and field monitoring (for example serial dilution counts or ATP measurements), continuous and batch dosage levels depend on water chemistry, microbial load and contact time.

GLUTARALDEHYDE IN COOLING WATER AND PAPER MILLS

In open recirculating cooling systems, GLUTARALDEHYDE is used as a non-oxidising biocide, usually as periodic slug doses alternating with an oxidising programme (chlorine, bromine or chlorine dioxide). This alternation helps control resistant populations and biofilms. Pentanedial is effective over a wide pH range and is not consumed by organic load as quickly as oxidants, but it reacts with ammonia and amines, so systems with high ammonia need higher dosages.
In paper and board machines, GLUTARALDEHYDE controls slime-forming bacteria in white water, broke, starch and coating circuits and protects additives such as starch and fillers against microbial spoilage.

GLUTARALDEHYDE IN LEATHER, ANIMAL HYGIENE AND OTHER INDUSTRIES

Leather: GLUTARALDEHYDE reacts with collagen and is used for pre-tanning (wet-white), combination tanning and retanning. Leathers treated with GLUTARALDEHYDE are soft, full, resistant to perspiration and washing, and suitable for automotive, shoe and garment leather. Modified glutaraldehyde products with lower yellowing are also used.
Animal hygiene: GLUTARALDEHYDE-based disinfectants, often combined with quaternary ammonium compounds, are used for the terminal disinfection of poultry and livestock houses, hatcheries, feeding and drinking equipment, footbaths and vehicles. Fogging and spraying are common methods, with strict precautions for workers.
In-can and process preservation: GLUTARALDEHYDE preserves technical products and process liquids such as some adhesives, polymer emulsions, metalworking fluids and cleaning products against bacterial contamination.
Sugar processing: in the USA, GLUTARALDEHYDE can be used under defined conditions to control microorganisms in cane and beet sugar mills (21 CFR 173.320).
Medical and laboratory: GLUTARALDEHYDE is also the active ingredient of 2 % alkaline high-level disinfectants for heat-sensitive medical devices and a standard fixative for electron microscopy.

WHICH PROBLEMS DOES GLUTARALDEHYDE SOLVE?

- H2S formation and souring in oil and gas water systems → GLUTARALDEHYDE controls sulphate-reducing bacteria.
- Microbiologically influenced corrosion under biofilms → GLUTARALDEHYDE, alone or with quats, removes and controls biofilm.
- Oxidising biocides are consumed by sulphides or corrode equipment → GLUTARALDEHYDE is non-oxidising and metal-compatible.
- Slime deposits and breaks in paper machines → GLUTARALDEHYDE controls slime-forming bacteria.
- Disease pressure between animal production cycles → GLUTARALDEHYDE-based disinfectants provide broad-spectrum disinfection.
- Chrome-free leather is required → GLUTARALDEHYDE enables wet-white and combination tanning.

THINGS TO CONSIDER WHEN USING GLUTARALDEHYDE

- Regulation first: in the EU, any product placed on the market as a biocide must be authorised under the Biocidal Products Regulation for its product type, GLUTARALDEHYDE as a raw material is subject to REACH and is an SVHC.
- Worker protection: GLUTARALDEHYDE is a respiratory and skin sensitiser with very low exposure limits, use closed transfer systems, dosing pumps, ventilation and suitable PPE.
- Reactive substances: ammonia, amines, amino-functional corrosion inhibitors and some polymers react with GLUTARALDEHYDE and reduce its activity.
- pH: alkaline conditions increase activity but shorten the life of GLUTARALDEHYDE in the system.
- Discharge: GLUTARALDEHYDE is very toxic to aquatic life before degradation, respect discharge permits, and neutralise residual GLUTARALDEHYDE if required. Sodium bisulphite is commonly used, stoichiometrically about 2 kg sodium bisulphite are needed per kg of GLUTARALDEHYDE (100 % basis). Glycine and other amine compounds are alternatives.
- Material compatibility: stainless steel, HDPE, PP and PTFE are typically suitable, check elastomers and avoid contact with incompatible alkalis and amines.

INITIAL APPROACHES WITH GLUTARALDEHYDE

The percentage compositions below are illustrative starting points for preparing diluted feed solutions or a treatment liquor, not validated commercial recipes or authorised biocide application rates. Percentages refer to raw materials as supplied and total 100.00 % by weight. The quantity applied to the actual system, contact time, efficacy, stability and regulatory suitability must be established separately through laboratory and field testing under the authorised use conditions.

1. SLUG DOSING IN A COOLING TOWER (NON-OXIDISING PROGRAMME)
Illustrative components for a diluted feed solution (% w/w):
Glutaraldehyde solution (50 %): 10.00 %
Compatible dilution water: 90.00 %
Total: 100.00 %
This feed solution contains 5.00 % active glutaraldehyde. It is not the concentration to be maintained in cooling water. Determine the amount dosed from system volume, target active concentration, bottle tests and the authorised product instructions, assess compatibility and stability before preparing or storing a diluted feed.

Determine the system volume and the half-life (from blowdown rate). Add GLUTARALDEHYDE 50 % as a slug dose once or twice a week, alternating with the oxidising biocide, and monitor total bacteria counts, sessile counts on coupons and corrosion rates. Adjust frequency and dose to keep counts below the target limit, and close the blowdown for a defined time after dosing when permitted.

2. PIPELINE OR TANK BATCH TREATMENT
Illustrative components for a diluted feed solution (% w/w):
Glutaraldehyde solution (50 %): 5.00 %
Compatible dilution water: 95.00 %
Total: 100.00 %
This feed solution contains 2.50 % active glutaraldehyde and is not a validated pipeline treatment concentration. Its addition to produced or injection water must be determined by testing and applicable authorisation. No quaternary ammonium co-biocide is included in this illustrative feed composition.

Run bottle tests with produced or injection water to find the minimum effective GLUTARALDEHYDE concentration and contact time, with and without a quaternary ammonium co-biocide. Apply the selected treatment as a batch slug, sample downstream and check SRB and general bacteria counts.

3. LEATHER RETANNING
Illustrative components for a treatment liquor before contact with leather (% w/w):
Glutaraldehyde solution (50 %): 2.00 %
Compatible process water: 98.00 %
Total: 100.00 %
This illustrative liquor contains 1.00 % active glutaraldehyde. The percentages refer to the liquor itself, not to an offer on shaved leather weight. The liquor-to-leather ratio, actual product offer, pH, temperature and compatibility with the selected tanning agent must be established in pilot trials, this dilution does not define a complete retanning recipe.

Add a glutaraldehyde-based tanning agent to the drum after neutralisation, run until penetration is complete, then continue with fatliquoring and dyeing. Optimise the offer (percentage on shaved weight), pH and temperature in pilot trials for softness, fullness, shrinkage temperature and colour.

These approaches are general guidelines, dosages must be determined for each system and in line with the authorised use conditions.

HOW DOES GLUTARALDEHYDE WORK AT THE MOLECULAR LEVEL?
 
Glutaraldehyde does not kill microorganisms or stabilise materials by dissolving, oxidising or poisoning a single enzyme. It works by forming covalent bridges. The molecule, OHC–(CH₂)₃–CHO, carries two aldehyde groups that react with nitrogen-containing groups on proteins and other biomolecules, gradually turning flexible, functional structures into a rigid, inactive network.
 
Reactive centres: Each aldehyde carbon is electron-poor and attracts nucleophiles. The most important partners are unprotonated primary amines, such as the side chain of lysine and the free amino ends of proteins. Since amines react mainly in their uncharged form, the reaction speeds up as pH rises and more amino groups lose their proton. Secondary partners include thiol groups of cysteine, the imidazole ring of histidine and phenolic groups of tyrosine.
 
From single bond to network: The first contact between an aldehyde group and an amine produces a carbinolamine, which loses water to form an imine. With a single aldehyde, this would leave only a modified site. Because pentanedial has a second aldehyde at the other end of its chain, the same molecule can react again with another amine, linking two sites together. Oligomers formed in solution add more reactive ends and unsaturated bonds, so bridges of different lengths develop and the final crosslinks are far more stable than a simple imine.
 
The aqueous mixture: An aqueous solution of glutaraldehyde is a changing mixture rather than one defined compound. Hydrated aldehyde groups, a ring-shaped hemiacetal, linear and cyclic oligomers and unsaturated condensation products coexist. Fresh, acidic solutions are rich in hydrated and cyclic forms that act as a reservoir of aldehyde. Alkaline conditions shift the mixture toward more reactive species and also toward self-condensation, which slowly reduces the active content.
 
What happens when it meets a microbial cell: Contact begins at the outermost layer. The dialdehyde reacts with amino groups in surface proteins, cell wall components and membrane-associated enzymes, producing a crosslinked shell around the cell. Nutrient uptake and other transport processes stop, enzymes lose activity, and the cell can no longer divide. Molecules that penetrate further continue crosslinking internal proteins and nucleic acid-associated proteins. Bacteria, fungi and many viruses are inactivated this way, bacterial spores and some mycobacteria resist longer, mainly because their outer layers slow the entry of the molecule.
 
Comparison with other aldehydes: Formaldehyde is a single-carbon monoaldehyde that forms very short methylene bridges and penetrates quickly but crosslinks slowly. Glutaraldehyde penetrates more slowly but forms longer, more numerous crosslinks in a shorter time, which explains its stronger fixing action on cell structures. Ortho-phthalaldehyde, another disinfectant aldehyde, also reacts with amines but follows different chemistry and does not need alkaline activation.
 
Use in materials: Wherever a protein structure needs to be fixed in place, the same chemistry applies. In leather, crosslinked collagen becomes more heat resistant and less prone to swelling. In microscopy, cells and tissues keep their fine structure through later processing steps. In biotechnology, enzymes are bound to amino-functional carriers or crosslinked into aggregates that can be reused.
 
Limits and losses: Because glutaraldehyde reacts with any accessible amino group, it is consumed by proteins, organic soil, ammonia and amines in the system before it reaches the intended target. Heavy organic load, low temperature and short contact time all reduce the amount of active aldehyde available. Free aldehyde can also be deliberately neutralised with bisulfite or amino compounds such as glycine before disposal.
 
Health relevance: Proteins of the skin, eyes and airways contain the same reactive groups. Covalent modification of these proteins causes irritation and can trigger immune recognition, which is the mechanism behind skin and respiratory sensitisation. Exposure is therefore minimised with ventilation, closed handling and appropriate personal protective equipment.
 
The speed and strength of crosslinking depend on concentration, pH, temperature, contact time and the amount of competing organic material. Glutaraldehyde dosage and process conditions should therefore be confirmed through laboratory trials.

ALTERNATIVES TO GLUTARALDEHYDE

THPS (tetrakis(hydroxymethyl)phosphonium sulphate): oilfield biocide that also dissolves iron sulphide.
DBNPA: fast-acting, quickly degrading non-oxidising biocide for cooling water and membranes.
Isothiazolinones (CMIT/MIT, BIT): preservation and cooling water biocides with slower action.
Quaternary ammonium compounds: biocides and co-biocides with good biofilm penetration.
Oxidising biocides (chlorine, bromine, chlorine dioxide, peracetic acid): broad-spectrum, inexpensive, but corrosive and consumed by reducing agents.
Formaldehyde and formaldehyde releasers: older biocides with stronger regulatory restrictions.
Chromium salts, vegetable tannins and synthetic tannins: alternatives in leather tanning.

QUALITY CONTROL AND PURCHASING CRITERIA FOR GLUTARALDEHYDE

- identity: CAS 111-30-8, EC 203-856-5
- concentration (25 % or 50 %) and assay method
- colour and appearance (APHA)
- pH and acidity
- specific gravity
- iron and other metal impurities
- stabiliser and methanol content if relevant
- regulatory status: REACH registration of the supplier, BPR Article 95 listing of the active substance supplier where required for biocide production
- documents: COA, TDS, SDS, transport documents

Specifications and regulatory documents for GLUTARALDEHYDE are available on request from Ataman Kimya.

STORAGE AND HANDLING OF GLUTARALDEHYDE

Store GLUTARALDEHYDE in tightly closed containers in a cool, well-ventilated, shaded area with secondary containment, away from heat, alkalis, amines, ammonia and oxidising agents. Keep the storage area locked or accessible only to trained personnel. Avoid long storage at high temperatures, which promote polymerisation and colour development. For bulk tanks, use compatible materials (for example stainless steel or HDPE), vent the tank through a suitable scrubber or vapour control system and prevent vapour release during filling.
Transfer GLUTARALDEHYDE with closed systems and dosing pumps, avoid open pouring, splashing and generation of aerosols. Eye wash stations and safety showers must be available near the handling area.

SAFETY OF GLUTARALDEHYDE

Harmonised classification of the substance (EU CLP Annex VI, index 605-022-00-X): Acute Tox. 3 (H301), Acute Tox. 2 (H330), Skin Corr. 1B (H314), Eye Dam. 1 (H318), Resp. Sens. 1 (H334), Skin Sens. 1A (H317), STOT SE 3 (H335), Aquatic Acute 1 (H400) and Aquatic Chronic 2 (H411), plus EUH071 (corrosive to the respiratory tract). Commercial solutions are classified according to their concentration, the classification of the 50 % and 25 % grades is given in the corresponding SDS.
Transport: GLUTARALDEHYDE solutions are dangerous goods. A 25 % solution is, for example, shipped as UN 3265, Corrosive liquid, acidic, organic, n.o.s. (Glutaraldehyde), class 8, packing group II. The UN number and classification of the 50 % grade are given in its SDS, available on request from Ataman Kimya.
Health: GLUTARALDEHYDE is corrosive to skin, eyes and respiratory tract, toxic by inhalation and ingestion, and a strong sensitiser. Repeated exposure can cause occupational asthma and allergic contact dermatitis. Exposure limits are very low (for example, ACGIH TLV-ceiling 0.05 ppm), national limits apply.
PPE: tightly fitting goggles and face shield, chemical-resistant gloves (for example nitrile or butyl rubber), chemical-resistant clothing and boots, and respiratory protection with a combination filter (for example type ABEK) or supplied air where vapours or mists may occur.
First aid: inhalation – fresh air, call a physician immediately, skin – remove contaminated clothing, rinse with water, call a physician, eyes – rinse immediately and thoroughly with water, remove contact lenses, call an ophthalmologist, ingestion – give at most two glasses of water, do not induce vomiting, call a physician.
Spills: evacuate, ventilate, wear full PPE, contain the spill, absorb with inert material or neutralise according to procedures, and prevent entry into drains and surface water.
Environment: very toxic to fish, invertebrates and algae (for example LC50 rainbow trout 96 h 0.8 mg/L for the substance), biodegradable and not bioaccumulative, no impairment of adapted biological treatment plants is expected when discharged properly and diluted.

BUYING GLUTARALDEHYDE

The dialdehyde is supplied as 50 % solution in drums, IBCs and bulk, and as 25 % solution in drums and smaller containers. When requesting an offer, please state the concentration, the end use (oilfield, water treatment, paper, leather, animal hygiene, formulation of biocidal products or laboratory), packaging, annual volume and whether BPR supplier documentation is needed. Grades, packaging and lead times for GLUTARALDEHYDE are available on request from Ataman Kimya.

SUPPLY OF GLUTARALDEHYDE FROM ATAMAN KIMYA

Ataman Kimya supplies GLUTARALDEHYDE solutions to oilfield service companies, water treatment formulators, paper mills, tanneries, disinfectant producers and other industrial customers. Ataman Kimya provides SDS, TDS, COA and regulatory documents and supports customers with dangerous goods logistics and storage advice for GLUTARALDEHYDE. For quotations, please contact Ataman Kimya.

FREQUENTLY ASKED QUESTIONS ABOUT GLUTARALDEHYDE

WHY IS GLUTARALDEHYDE POPULAR IN THE OILFIELD?
It is fast-acting, broad-spectrum, effective against sulphate-reducing bacteria, works in the presence of H2S and salt, and is compatible with carbon steel.

CAN GLUTARALDEHYDE BE MIXED WITH QUATERNARY AMMONIUM COMPOUNDS?
Yes. Glutaraldehyde/quat blends are common in oilfield and animal hygiene products and often act synergistically.

IS GLUTARALDEHYDE AN OXIDISING BIOCIDE?
No. GLUTARALDEHYDE is a non-oxidising biocide, it kills by crosslinking proteins, not by oxidation.

DOES GLUTARALDEHYDE REACT WITH AMMONIA?
Yes. Ammonia and amines consume GLUTARALDEHYDE, so systems with high ammonia need higher doses or a different biocide.

HOW IS RESIDUAL GLUTARALDEHYDE DEACTIVATED BEFORE DISCHARGE?
Commonly with sodium bisulphite (about 2 kg per kg glutaraldehyde, 100 % basis) or with amine compounds such as glycine, according to local regulations.

IS GLUTARALDEHYDE BIODEGRADABLE?
Yes, it degrades in the environment and in adapted biological treatment plants, but it is very toxic to aquatic organisms in concentrated form.

WHAT IS THE DIFFERENCE BETWEEN 25 % AND 50 % GLUTARALDEHYDE?
Only the concentration, the 50 % grade is the usual industrial concentrate, while 25 % is easier to handle and is common for formulators and laboratories.

IS GLUTARALDEHYDE RESTRICTED IN THE EU?
It is an approved biocidal active substance for several product types and is on the REACH SVHC Candidate List, authorisation requirements under REACH Annex XIV should be checked for the intended use.

GLUTARALDEHYDE – TECHNICAL SUMMARY

Product name: GLUTARALDEHYDE
Other names: Pentanedial, Glutaral, Glutaric dialdehyde, Glutaraldehyde 50 %
CAS No: 111-30-8
EC No: 203-856-5
EU Index No: 605-022-00-X
Molecular formula: C5H8O2
Molecular weight: 100.12 g/mol
Industrial forms: 50 % and 25 % aqueous solutions
50 % solution: clear, colourless to pale yellow, pH approx. 3–5, specific gravity approx. 1.12–1.13
Type: Non-oxidising, broad-spectrum aldehyde biocide
Main uses: Oil and gas water systems, cooling water, paper mills, animal hygiene, leather tanning, process preservation, medical disinfection
Regulatory: EU BPR approved (PT 2, 3, 4, 6, 11, 12), REACH SVHC (2021)
Hazards (substance): H301, H330, H314, H318, H334, H317, H335, H400, H411, EUH071
Transport (25 % example): UN 3265, class 8, PG II

GLUTARALDEHYDE can be sourced from ATAMAN KİMYA. For further information and supply inquiries about GLUTARALDEHYDE, please contact ATAMAN KİMYA.