1-NITROPROPANE

1-Nitropropane (1-NP) is a colourless, flammable liquid with a mild fruity odour, chemical formula C₃H₇NO₂, molecular weight 89.09 g/mol, CAS number 108-03-2, EC number 203-544-9, boiling point 131–132°C, density 0.998 g/cm³, flash point 35°C, pKa 17.0, and water solubility 1.4 g/L; it is the primary nitroalkane produced alongside nitromethane, nitroethane, and 2-nitropropane in the vapour-phase nitration of propane, with the nitro group positioned on the terminal C-1 carbon.
1-Nitropropane is used as a powerful industrial solvent for cellulose acetate, nitrocellulose, vinyl resins, dyes, waxes, and synthetic rubbers; as a fuel additive and combustion improver in automobile and aircraft engines; as a rocket propellant component; and as a chemical intermediate for the synthesis of amines, hydroxylamines, and nitrohydroxy compounds via Henry, Nef, and reductive amination reactions.
1-Nitropropane is classified under GHS with Signal Word Warning (H226 flammable liquid and vapour; H302 + H312 harmful if swallowed or in contact with skin; H331 toxic if inhaled); it is not classified as a carcinogen — unlike its isomer 2-nitropropane (IARC Group 2B); NIOSH REL TWA 25 ppm; UN 2608; Hazard Class 3; Packing Group III.

CAS Number: 108-03-2
EC Number: 203-544-9
Molecular Formula: C₃H₇NO₂
Molecular Weight: 89.09 g/mol

Synonyms: 1-NP, n-PrNO₂, NiPar S-10, 1-Nitropan, N-Nitropropane, Propane 1-nitro-, n-C₃H₇NO₂, 1-Nitro-propane, PrNO₂, WN3, α-Nitropropane, BRN 506236, MFCD00007407, PubChem CID 7903, ChemSpider 7615, UNII 39W305OW99, DTXSID1020980, EINECS 203-544-9, CAS 108-03-2

1-Nitropropane has the molecular formula C₃H₇NO₂ and a molar mass of approximately 89.09 g/mol.
The structure of 1-Nitropropane contains a nitro group attached to the terminal carbon of a three-carbon chain.

1-Nitropropane represents the straight-chain isomer of 2-nitropropane.
The position of the nitro group distinguishes 1-Nitropropane from its branched structural isomer.

1-Nitropropane normally appears as a clear and colorless liquid.
A mild, characteristic solvent-like odor commonly accompanies 1-Nitropropane.

The boiling point of 1-Nitropropane lies near 131–132°C.
A very low freezing point allows 1-Nitropropane to remain liquid across a broad temperature range.

Water dissolves a limited amount of 1-Nitropropane under ordinary conditions.
Alcohols, ethers and many other organic solvents mix more readily with 1-Nitropropane.

A density close to that of water characterizes liquid 1-Nitropropane.
The moderate evaporation rate of 1-Nitropropane supports its use in selected solvent formulations.

Industrial production of 1-Nitropropane can involve the vapor-phase nitration of propane.
Propane nitration produces 1-Nitropropane together with other lower nitroalkanes.

Fractional distillation separates 1-Nitropropane from nitromethane, nitroethane and 2-nitropropane.
Careful purification provides 1-Nitropropane with a controlled water content and chemical purity.

1-Nitropropane functions as a solvent for various resins, polymers and organic compounds.
Coating formulations may use 1-Nitropropane to adjust viscosity, flow and drying behavior.

Printing inks can employ 1-Nitropropane to support resin dissolution and controlled evaporation.
The solvent properties of 1-Nitropropane can promote uniform film formation in specialized ink systems.

Adhesive formulations may incorporate 1-Nitropropane as part of a blended solvent system.
The compatibility of 1-Nitropropane with several organic materials supports its use in industrial formulations.

1-Nitropropane can serve as a reaction medium in organic synthesis.
Chemical manufacturers also use 1-Nitropropane as an intermediate for preparing functional organic compounds.

The hydrogen atoms next to the nitro group give 1-Nitropropane useful reactivity in carbon–carbon bond-forming reactions.
Under suitable basic conditions, 1-Nitropropane can form a resonance-stabilized nitronate species.

1-Nitropropane can participate in Henry reactions with aldehydes or ketones.
Henry reactions involving 1-Nitropropane produce nitroalcohol intermediates suitable for further transformation.

Controlled reduction can convert 1-Nitropropane into propylamine derivatives.
The Nef reaction can transform suitably activated 1-Nitropropane into a corresponding carbonyl compound.

1-Nitropropane provides a three-carbon building block for pharmaceutical and specialty chemical research.
Researchers use 1-Nitropropane to introduce nitroalkyl functionality into more complex molecules.

Reaction temperature and catalyst selection strongly influence transformations involving 1-Nitropropane.
Controlled addition helps manage the reaction rate when 1-Nitropropane participates in synthesis.

Gas chromatography can determine the purity and residual solvent profile of 1-Nitropropane.
Infrared spectroscopy and mass spectrometry can support the identification of 1-Nitropropane.

High-purity 1-Nitropropane is preferred for applications requiring predictable solvent and reaction performance.
Commercial grades of 1-Nitropropane may differ in purity, moisture content and trace impurities.

Closed processing equipment helps limit the evaporation of 1-Nitropropane during industrial handling.
Storage away from excessive heat, ignition sources and incompatible materials helps preserve 1-Nitropropane.

Uses of 1-Nitropropane:
1-Nitropropane is widely used as a strong polar aprotic solvent in the formulation of solvent-based paints, surface coatings, lacquers, and varnishes — particularly for systems based on cellulose acetate, nitrocellulose, vinyl resins, and alkyd resins — where its combination of high solvency, moderate evaporation rate, and compatibility with a wide range of polymer systems makes it an effective co-solvent and coupling agent; it can replace chlorinated hydrocarbon solvents (e.g., methylene chloride) in triacetate fibre dissolution when combined with alcohol and salting agents.
1-Nitropropane is used as a solvent in solvent-based printing inks, adhesives, and coatings for flexible packaging, labels, and industrial applications; its high polarity enables strong solvency for dyes, waxes, greases, resins, and synthetic rubbers; as a low-temperature solvent it dissolves vinyl chloride-vinyl acetate copolymers effectively and maintains clarity at temperatures where other solvents precipitate the polymer.
1-Nitropropane is used as a fuel additive and combustion initiator in automobile and aircraft engines; when blended into fuel, 1-NP acts as a radical initiator that rapidly generates reactive radicals upon thermal decomposition, significantly increasing fuel conversion rate, reducing ignition delay, and improving engine combustion efficiency; it also raises the cetane number of diesel fuel blends.

1-Nitropropane is used as a propellant component and oxidiser supplement in rocket and model engine systems; among the primary nitroalkanes (nitromethane, nitroethane, 1-NP, 2-NP), the molecular structure of 1-NP confers a higher specific impulse, which provides performance advantages in long-range rocket and propellant applications; it is also used in combination with methanol and lubricants in racing and model aeroplane fuel formulations.
1-Nitropropane is used as a chemical intermediate and synthetic building block in organic chemistry: (1) Henry (nitroaldol) reaction with aldehydes → β-nitroalcohols → amino alcohols (via reduction); (2) Nef reaction (base deprotonation → nitronate anion → hydrolysis) → propanal and hydroxylamine derivatives; (3) Michael addition to activated alkenes; (4) reductive amination → primary and secondary amines; (5) halogenation at the α-carbon → α-halonitroalkanes; these are versatile intermediates for pharmaceuticals, agrochemicals, and specialty fine chemicals.

1-Nitropropane is used as a stabiliser for polymers against UV degradation and thermal decomposition; it is also a substrate for liver microsomal cytochrome P450-mediated oxidation, making it a biochemical research tool in metabolic and enzymatic studies; it is used in organic separation processes and as an analytical reference standard for VOC analysis (it appears in VOC standard mixtures for environmental monitoring).
1-Nitropropane has applications in the manufacture of cosmetics and personal care products, including solvent nail brush cleaners and markers; it is also used in gas-phase separation processes and as a solvent for chemical reactions requiring a moderately polar, non-protic medium compatible with organometallic and radical chemistry.

Benefits and Advantages of 1-Nitropropane:
1-Nitropropane occupies a unique position in the nitroalkane solvent series: it has lower water miscibility (1.4 g/L) and higher lipophilicity than nitromethane (fully miscible) or nitroethane (very water-soluble), while its higher boiling point (132°C) and lower volatility compared with nitromethane or nitroethane reduce inhalation exposure and improve handling safety in open industrial systems; these properties provide a combination of solvency, controlled evaporation, and compatibility not available from shorter nitroalkane homologues.
1-Nitropropane is not classified as a carcinogen, in direct contrast to its structural isomer 2-nitropropane (CAS 79-46-9, IARC Group 2B, ACGIH A3) — this fundamental regulatory difference makes 1-NP the preferred nitroalkane in applications where long-term worker exposure is a concern, particularly in coating, ink, and adhesive manufacturing environments operating under occupational health regulations that restrict or prohibit use of 2-NP.

The reactive α-methylene group of 1-nitropropane (pKa 17.0) enables a broad portfolio of base-catalysed condensation, addition, and reduction reactions — including the Henry (nitroaldol), Nef, and Michael reactions — that allow facile construction of complex nitrogen-containing molecular frameworks (amino alcohols, nitroalcohols, nitrile oxides) not accessible from non-activated C₃ hydrocarbons; these synthetic capabilities make 1-NP a functionally versatile one-carbon/two-carbon building block in multi-step synthesis.
1-Nitropropane has higher specific impulse than nitromethane or nitroethane in rocket propellant formulations due to its favourable molecular oxygen balance and nitrogen content, providing energy performance per unit mass that makes it a candidate for long-range rocket systems; combined with its stability at ambient temperature and commercial availability, this makes 1-NP an attractive propellant additive for specialised aerospace and defence applications.

Features of 1-Nitropropane:
1-Nitropropane is a colourless to very slight yellow, clear liquid at room temperature with a mild, fruity, somewhat disagreeable odour; odour detection threshold approximately 140 ppmv (510 mg/m³, Dravnieks 1974); boiling point 131–132°C; melting point −108°C; density 0.998 g/cm³ at 25°C; refractive index n20/D 1.401 (lit.); flash point 35°C (closed cup, 95°F); autoignition temperature 419–420°C; explosive limits 2.6–11.0% V/V; vapour pressure 7.5–8 mmHg at 20°C; viscosity 0.844 cP.
1-Nitropropane is poorly soluble in water (1.4 g/L at 20°C; solubility of water in 1-NP: 0.5 cc/100 cc at 20°C); it forms an azeotrope with water (63.5% 1-nitropropane, azeotrope boiling point 91.63°C); it is soluble in chloroform, ethanol, ether, acetone, benzene, and most common organic solvents; it solvates alcohols, ketones, esters, ethers, dyes, greases, waxes, resins, and synthetic rubbers; strong solvent for cellulose acetate (combined with alcohol), nitrocellulose, vinyl chloride-vinyl acetate copolymers, and triacetate fibres.
1-Nitropropane is stable at ambient temperature and under normal handling conditions; it decomposes on heating, releasing toxic nitrogen oxide (NOₓ) gases; it reacts violently with strong oxidising agents and strong bases; it is incompatible with magnesium, alkali metals, aluminium, and strong mineral acids; pKa 17.0 (α-methylene, more acidic than typical alkanes — cf. pKa ~50 for propane); as a secondary nitroalkane homologue, the nitro group withdraws electron density from the adjacent methylene, activating the α-H for deprotonation and subsequent condensation reactions.
1-Nitropropane is produced as one of four nitroalkanes in the vapour-phase nitration of propane with dilute nitric acid at elevated temperature and pressure (Angus process); it also arises as a co-product in the production of 2-nitropropane; technical grades may be measurably contaminated with 2-nitropropane — assay specifications distinguishing the two isomers are critical for regulated industrial applications; commercial grade: ≥98.5% (GC), analytical standard: 99.0% min.

Chemical Properties of 1-Nitropropane:
1-Nitropropane has IUPAC name 1-nitropropane, linear formula CH₃CH₂CH₂NO₂, SMILES CCC[N+](=O)[O-], InChI=1S/C3H7NO2/c1-2-3-4(5)6/h2-3H2,1H3, InChIKey JSZOAYXJRCEYSX-UHFFFAOYSA-N; PubChem CID 7903; ChemSpider 7615; Beilstein 506236; MDL MFCD00007407; ChEBI CHEBI:76261; UNII 39W305OW99; DTXSID1020980; MeSH C035314; EC 203-544-9.
The principal reactions of 1-nitropropane derive from the activated α-methylene (α to the NO₂ group): (1) Henry (nitroaldol) reaction — base deprotonation at C-1 to give propyl nitronate anion, which undergoes nucleophilic addition to aldehydes and ketones to give β-nitroalcohols; (2) Nef reaction — base deprotonation → nitronate anion → acid hydrolysis → propanal + hydroxylamine; (3) Michael addition — nitroalkane carbanion adds to Michael acceptors (enones, acrylates, maleates); (4) reduction → 1-aminopropane (with Raney Ni/H₂, LiAlH₄, or zinc/HCl); (5) α-halogenation → α-halonitropropanes; (6) thermal decomposition (above ~250°C) → NO₂, NOₓ, propyl radical fragments.

1-Nitropropane is produced industrially by the Angus/Nitroparaffins process: propane vapour is reacted with dilute nitric acid (HNO₃) at 390–440°C and 0.69–0.86 MPa pressure in a glass-lined reactor; the product mixture contains nitromethane (~14%), nitroethane (~17%), 1-nitropropane (~30%), and 2-nitropropane (~38%); the four nitroalkane products are separated by fractional distillation; it can also be produced by gas-phase or liquid-phase nitration of propylene; alternatively, by liquid-phase nitration of saturated hydrocarbons with concentrated nitric acid.
1-Nitropropane is incompatible with strong oxidising agents (peroxides, permanganates, concentrated HNO₃, ClO₄⁻ — potential explosive compositions), strong inorganic bases (NaOH, KOH — violent decomposition), magnesium, alkali metals, powdered aluminium; it decomposes on heating to give toxic NO, NO₂, and nitric acid vapours; it may sensitise shock-sensitive compositions when mixed with ammonium nitrate or other oxygen-rich oxidisers; pKa 17.0 makes the α-proton moderately labile (more acidic than typical C–H bonds, pKa ~45), enabling base-mediated reactions without extremely strong bases.

Production of 1-Nitropropane:
1-Nitropropane is produced industrially by vapour-phase nitration of propane with dilute nitric acid (Angus process): propane is preheated to 430–450°C, then reacted with 75% HNO₃ at 390–440°C and 0.69–0.86 MPa pressure in a glass-lined reactor; the four nitroalkane co-products — nitromethane, nitroethane, 1-nitropropane, and 2-nitropropane — are separated by fractional distillation; 1-nitropropane is also a by-product in the vapour-phase nitration process optimised for 2-nitropropane production; it can additionally be prepared by gas-phase or liquid-phase nitration of propylene or other saturated hydrocarbons with concentrated nitric acid.
Commercial 1-nitropropane is available at ≥98.5% (assay, GC) and ≥99.0% (min., analytical standard) purities as a colourless clear liquid; specification limits: density 0.996–1.000 g/cm³ at 25°C; refractive index n20/D 1.399–1.403; bp 131–133°C; mp ≤−105°C; form: liquid; storage: flammables area, below 25°C, away from heat, oxidising agents, and strong bases; note: technical grades may contain measurable quantities of 2-nitropropane (a human carcinogen suspect, IARC 2B) — isomeric purity must be confirmed for occupational health compliance.

1-Nitropropane Material Safety Data Sheet (MSDS):

Handling of 1-Nitropropane:
1-Nitropropane is a flammable liquid (flash point 35°C) forming flammable vapour-air mixtures above ambient temperature; keep away from all ignition sources (flames, sparks, hot surfaces, static discharge); use bonded and earthed equipment; handle in a well-ventilated area or under local exhaust ventilation; avoid inhalation of vapours — the NIOSH REL is 25 ppm TWA; concentrations above 100 ppm are irritating to eyes and mucous membranes.
1-Nitropropane is harmful by inhalation (toxic by inhalation at higher concentrations — H331 toxic if inhaled; LC50 rat 8h: 3,100 ppm), harmful if swallowed (H302, rat oral LD50 455 mg/kg) and in contact with skin (H312); it can cause methemoglobinaemia at high concentrations; it causes damage to liver and kidneys on repeated or prolonged exposure; wear appropriate PPE including chemical-resistant gloves, safety goggles, and type ABEK (EN14387) respirator filter where vapour concentrations cannot be controlled; do not eat, drink, or smoke in work areas.

1-Nitropropane SDS:

Stability and Reactivity of 1-Nitropropane:

Chemical stability:
1-Nitropropane is stable under recommended storage conditions away from heat, ignition sources, and incompatible materials.
1-Nitropropane decomposes on heating, releasing toxic nitrogen oxides (NOₓ); it reacts violently with strong oxidising agents and strong bases.

Reactivity:
1-Nitropropane reacts violently with strong oxidising agents and strong bases — contact may cause fires, explosions, or violent decomposition.
Thermal decomposition above ~250°C yields toxic NOₓ and nitric acid vapours; flammable vapour-air mixtures form above the flash point (35°C).

Conditions to avoid:
All ignition sources (flames, sparks, hot surfaces, static discharge) above flash point 35°C.
Strong oxidising agents (peroxides, permanganates, concentrated HNO₃, perchloric acid) — risk of explosion.
Strong bases (NaOH, KOH, amines) — violent exothermic decomposition.
Elevated temperatures (thermal decomposition to toxic NOₓ).
Contact with magnesium, alkali metals, powdered aluminium.

Incompatible materials:
Strong oxidising agents — violent reaction, fire/explosion risk.
Strong inorganic bases (NaOH, KOH) — violent decomposition.
Magnesium, alkali metals, powdered aluminium.
Concentrated nitric acid and perchlorates (shock-sensitive explosive compositions possible).

Hazardous decomposition products:
Nitrogen oxides (NO, NO₂, N₂O) — toxic, corrosive.
Nitric acid vapour upon thermal decomposition.
Carbon monoxide (CO) and carbon dioxide (CO₂) upon combustion.

Handling and Storage of 1-Nitropropane:

Handling:
Keep away from ignition sources; no smoking; use bonded and earthed equipment; ventilate work areas.
Use local exhaust ventilation to keep vapour concentrations below NIOSH REL of 25 ppm TWA.
Wear chemical-resistant gloves, safety goggles/face shield, and type ABEK respirator filter.
Avoid inhalation; avoid skin contact; wash hands after handling; do not eat or drink in work areas.

Storage:
Store in a cool (below 25°C), dry, well-ventilated flammable-liquid storage area away from ignition sources, strong oxidants, and strong bases.
Keep container tightly closed.
Storage class: flammable liquids area; WGK 1.
Packaging: standard sealed glass or metal containers with tight closure.
Transport: UN 2608; Hazard Class 3 (Flammable liquid); Packing Group III.

First Aid Measures for 1-Nitropropane:

Inhalation:
Immediately remove the affected person to fresh air; if breathing is difficult, administer oxygen; if breathing has stopped, apply artificial respiration.
Call a physician; symptoms at high vapour concentrations: eye and mucous membrane irritation, headache, nausea, vomiting, dizziness, diarrhoea; methemoglobinaemia with cyanosis at very high concentrations.

Skin contact:
Immediately remove contaminated clothing; wash affected skin thoroughly with soap and water for at least 15 minutes.
Seek medical attention if irritation develops.

Eye contact:
Irrigate immediately with plenty of water for at least 15 minutes; remove contact lenses.
Seek medical attention.

Ingestion:
Rinse the mouth with water; seek immediate medical attention; do not induce vomiting without medical advice.
1-Nitropropane causes liver and kidney damage on ingestion; rat oral LD50 455 mg/kg.

Firefighting Measures for 1-Nitropropane:

Suitable extinguishing media:
CO₂, dry chemical, alcohol-resistant foam; water mist (do not use jet water on burning liquid).

Specific hazards:
1-Nitropropane is a flammable liquid (flash point 35°C); vapours are heavier than air and may accumulate along floors; combustion and thermal decomposition produce toxic NOₓ fumes; it may form explosive compositions with strong oxidising agents.
NFPA 704: Health 3 / Fire 3 / Reactivity 2.

Protective equipment for firefighters:
SCBA and full protective clothing; keep containers cool by water spray; prevent contaminated firefighting water from entering drains or water courses.

Accidental Release Measures for 1-Nitropropane:

Personal precautions:
Remove all ignition sources; ventilate area; wear appropriate PPE including respirator (type ABEK) and chemical-resistant gloves and clothing.

Environmental precautions:
Prevent entry into drains and water courses; 1-nitropropane is poorly water-soluble and will float/spread on water; notify local health and environmental authorities for large spills.

Clean-up methods:
Absorb with inert absorbent material (vermiculite, sand); collect in sealed containers; dispose as flammable/halogenated waste per applicable regulations.

Exposure Controls / Personal Protective Equipment for 1-Nitropropane:

Engineering controls:
Local exhaust ventilation; work in well-ventilated areas; closed-system transfer where possible; eliminate ignition sources.

Eye protection: Safety glasses/goggles and face shield.
Hand protection: Chemical-resistant gloves (nitrile or neoprene, tested for nitroalkane permeation).
Body protection: Chemical-resistant protective clothing.
Respiratory protection: Type ABEK (EN14387) combination cartridge for routine handling; SCBA for high concentrations or spill response.

1-Nitropropane Identifiers:
CAS Number: 108-03-2
EC Number: 203-544-9
ECHA InfoCard: 100.003.223
Beilstein: 506236
MDL Number: MFCD00007407
PubChem CID: 7903
PubChem Substance ID: 24897565
ChemSpider: 7615
ChEBI: CHEBI:76261
DTXSID: DTXSID1020980
UNII: 39W305OW99
MeSH: C035314
NACRES: NA.22
UNSPSC: 12352100
IUPAC Name: 1-Nitropropane
Linear Formula: CH₃CH₂CH₂NO₂ (C₃H₇NO₂)
Molecular Formula: C₃H₇NO₂
Molecular Weight: 89.09 g/mol
SMILES: CCC[N+](=O)[O-]
InChI: InChI=1S/C3H7NO2/c1-2-3-4(5)6/h2-3H2,1H3
InChIKey: JSZOAYXJRCEYSX-UHFFFAOYSA-N
pKa: 17.0 (α-methylene)
GHS Signal Word: Warning
GHS Hazard Statements: H226, H302 + H312, H331
GHS Precautionary Statements: P210, P233, P240, P280, P301+P312, P302+P352+P312, P303+P361+P353, P304+P340+P311
NFPA 704: Health 3 / Fire 3 / Reactivity 2
UN Number: UN 2608
Hazard Class: 3 (Flammable liquid)
Packing Group: III
WGK: 1
NIOSH REL: TWA 25 ppm (90 mg/m³)
OSHA PEL: TWA 25 ppm (90 mg/m³)
NIOSH IDLH: 1,000 ppm
Rat oral LD50: 455 mg/kg
Mouse oral LD50: 800 mg/kg
Rabbit oral LDLo: 250 mg/kg
Rat LC50 (8h): 3,100 ppm
Carcinogenicity: Not classified (unlike 2-nitropropane, which is IARC Group 2B)

Properties of 1-Nitropropane:
Physical state: Liquid
Appearance: Colourless to very slight yellow clear liquid
Odour: Mild, fruity, somewhat disagreeable; threshold ~140 ppmv (510 mg/m³)
Molecular formula: C₃H₇NO₂
Molecular weight: 89.09 g/mol
Melting point: −108°C
Boiling point: 131–132°C
Flash point: 35°C (closed cup, 95°F)
Autoignition temperature: 419–420°C
Explosive limits: 2.6–11.0% V/V
Density: 0.998 g/cm³ at 25°C
Vapour pressure: 7.5–8 mmHg (20°C)
Refractive index: n20/D 1.401 (lit.)
Viscosity: 0.844 cP
Water solubility: 1.4 g/L (20°C); azeotrope with water at 91.63°C (63.5% 1-NP)
Organic solvent solubility: Soluble in chloroform, ethanol, ether, acetone, benzene
pKa: 17.0 (α-methylene)
GHS Classification: Warning — H226, H302+H312, H331
NIOSH REL: TWA 25 ppm
Storage: Cool, dry, flammables area; away from oxidants and strong bases

1-Nitropropane Properties — Specifications:
Product name: 1-Nitropropane (1-NP)
CAS Number: 108-03-2
EC Number: 203-544-9
Molecular Formula: C₃H₇NO₂
Molecular Weight: 89.09 g/mol
Assay: ≥98.5% (GC); ≥99.0% (analytical standard)
Form: Liquid
Appearance: Colourless to very slight yellow clear liquid
Density: 0.996–1.000 g/cm³ (25°C)
Refractive index: n20/D 1.399–1.403
Boiling point: 131–133°C
Melting point: ≤−105°C
Flash point: 35°C (closed cup)
Water solubility: 1.4 g/L (20°C)
Note: Technical grades may contain measurable 2-nitropropane — verify isomeric purity for occupational health compliance
Storage: Below 25°C; flammables area; away from ignition sources, oxidants, and strong bases; tightly closed
Documents: CoA (Certificate of Analysis), MSDS/SDS available

Names of 1-Nitropropane:
1-Nitropropane
1-NP
NiPar S-10
1-Nitropan
n-PrNO₂
N-Nitropropane
Propane 1-nitro-
n-C₃H₇NO₂
1-Nitro-propane
PrNO₂
α-Nitropropane
WN3
BRN 506236
MFCD00007407
PubChem CID 7903
ChemSpider 7615
UNII 39W305OW99
DTXSID1020980
CAS 108-03-2
EINECS 203-544-9
UN 2608