PRODUCTS

PTSA 70 %

PTSA 70 %, liquid, with more than 5% free sulfuric acid appears as colorless to black solid.
Odorless or nearly odorless.
PTSA 70 % is an arenesulfonic acid that is benzenesulfonic acid in which the hydrogen at position 4 is replaced by a methyl group.
PTSA 70 % is a member of toluenes and an arenesulfonic acid.
PTSA 70 % is a conjugate acid of a toluene-4-sulfonate.

Description of PTSA 70 %
Catalogue Number: 808230
Synonyms: PTSA

Product Information of PTSA 70 %
CAS number: 70-55-3
EC number: 200-741-1
Hill Formula: C₇H₉NO₂S
Chemical formula: 4-(CH₃)C₆H₄SO₂NH₂
Molar Mass: 171.22 g/mol
HS Code: 2935 90 90

Applications of PTSA 70 %
Application: PTSA 70 % for synthesis.

Uses of PTSA 70 %
Used in the manufacture of plasticizers, disinfectants, can also be used in the production of synthetic resins, coatings, fluorescent dyes, etc.

Physicochemical Information of PTSA 70 %
Boiling point: 220 - 222 °C (13 hPa)
Flash point: 202 °C
Melting Point: 137 - 140 °C
Solubility: 3200 mg/l

Physico-chemical Properties of PTSA 70 %
Molecular Formula: C7H9NO2S
Molar Mass: 171.217
Density: 1.271g/cm3
Melting Point: 136-140℃
Boling Point: 322.2°C at 760 mmHg
Flash Point: 148.6°C
Solubility: 0.32 g/100 mL (25℃)
Vapor Presure: 0.000285mmHg at 25°C
Refractive Index: 1.564

Physical and Chemical Properties of PTSA 70 %
Appearance: white crystals
melting point: 136-140°C
boiling point: 221°C (10 mmHg)
flash point: 202°C
water-soluble: 0.32g/100 mL (25°C)

Risk and Safety of PTSA 70 %
Hazard Symbols: Xi - Irritant
Irritant
Risk Codes: R36 - Irritating to the eyes
Safety Description: S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
Raw Materials: Terephthaloyl chloride
Ammonia
Nature:
White Flake Crystal, flammable. Soluble in ethanol, insoluble in water and ether.
The melting point was 138.5-139 °c.
The melting point of the hydrate was 105 °c.

Preparation Method of PTSA 70 %
chlorosulfonation of toluene with chlorosulfonic acid yields O-and p-Toluenesulfonyl chlorides.
The p-Toluenesulfonyl chloride was separated by freezing crystallization method, and then the crude p-toluenesulfonamide was obtained by ammoniation with ammonia, and then decolorized by activated carbon, filtered and acid, to obtain a finished product.

Use of PTSA 70 %
used in organic synthesis, but also in the manufacture of dyes (such as fluorescent dyes), plasticizers, synthetic resins, coatings, disinfectants, fungicides, etc, it is also used in the manufacture of wood processing brightener.

Safety of PTSA 70 %
PTSA 70 %'s toxicity and protection method see O-toluenesulfonamide.
The use of inner plastic bags, outer woven bags or inner plastic bags, middle with kraft paper bags, outer woven bags.
25kg per bag.
During storage and transportation, PTSA 70 % should be handled with care, moisture-proof and heat-proof.
The flammable and toxic substances shall be stored and transported according to the regulations.

Molecular Formula: C7H9NO2S
Appearance: powder
Application: pharmaceutical intermediates
DeliveryTime: Prompt Shippment
PackAge: bags
Port: china main ports
ProductionCapacity: 10 Metric Ton/Day
Purity: 99%
Storage: keep out of the sun
Transportation: by sea

Details OF PTSA 70 %
Product Name: P-Toluenesulfonamide (PTSA)
CAS No.: 70-55-3
EC No.: 200-741-1
Molecular Formula:C7H9NO2S
Molecular Weight: 171.22
Assay: ≥99%
Melting point: 136-140℃
Color(APHA): ≤20
Package :25kg plastic woven bag, or 25kg in fiber drum
Product Introduction: White crystalline powder
Use: Pharmaceuticals, plasticizesrs, dyestuff intermediates, fluorescent resistance

Quick Details
CAS No.:70-55-3
Other Names:P-TOLUENESULPHONAMIDE
MF: C7H9NO2S
EINECS No.: 200-741-1
Place of Origin: China
Type: Dyestuff Intermediates
Purity: 99%
Model Number: 70-55-3
Appearance: white powder, white powder
Product name: p-Toluenesulfonamide
CAS number: 70-55-3
MOLECULAR FORMULA: C7H9NO2S
MW: 171.22
EINECS number: 200-741-1
Assay: 99%
Package: 25kg/bag
Storage: yes
Sample: yes

SMILES: Cc1ccc(cc1)S(=O)(=O)N
StdInChI: InChI=1S/C7H9NO2S/c1-6-2-4-7(5-3-6)11(8,9)10/h2-5H,1H3,(H2,8,9,10)
StdInChIKey: LMYRWZFENFIFIT-UHFFFAOYSA-N
Molecular Formula: C7H9NO2S
Molecular Weight: 171.22
Beilstein Registry Number: 472689
EC Number: 200-741-1
MDL Number: MFCD00011692

Properties OF PTSA 70 %
Appearance: White crystalline powder
Melting point : 136-140℃
Flash Point: 202 °C

Safety Data of PTSA 70 %
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Signal Word: Danger

Product Description of PTSA 70 %
Appearance: White crystalline
Melting Point: 136-140°C
Boiling Point: 221°C
Flash Point: 202°C
Assay:99.5% min
Moisture:0.1% max
o-Toluene Sulfonamide:0.2% max
Color(APHA):20 max
Ortho-isomer:0.1% max
Turbidity:10 max
PH: 5.0-7.0
Chloride:100mg/kg max
Sulphate:200mg/kg max
Sulfated Ash:0.05% max
Iron:2.0mg/kg max
Heavy Metal:10mg/kg max

Application / Models of PTSA 70 %
Pharmaceuticals, plasticizers, dyestuff intermediates, fluorescent resins.

CAS RN.: 70-55-3
EINECS: 200-741-1
Molecular Weight: 171.2169
Molecular Formula: C7H9NO2S
Density: 1.271g/cm3
Melting Point(℃): 136-140℃
Boiling Point(℃): 322.2°C at 760 mmHg
Flash Point(℃): 148.6°C
refractive_index: 1.564
Water Solubility: 0.32 g/100 mL (25℃)

Specifications of PTSA 70 %
Appearance: White crystalline
Assay: 99.5% Min.
Melting Point: 136—140°C
Moisture: 0.2% Max.
Color (APHA): 20 Max.
o-Toluene Sulfonamide: 0.2% Max.
Turbidity: 10 Max.
pH: 5.0 — 7.0
Chloride: 0.01% Max.
Sulfate: 0.02% Max.
Meta Toluene Sulfonamide: 0.1% Max.
Heavy Metal: 20 ppm Max

Description of PTSA 70 %
CAS No: 70-55-3
Molecular Formula: C7H9NO2S
Appearance: White Crystalline Powder
Purity: ≥99%
Melting Point: ≥136℃
Water: ≤0.3%
Colority: ≤20APHA
Ash: ≤0.05%
PH: 5.0-7.0

PROPERTIES of PTSA 70 %
Quality Level: 200
assay:: ≥98.0% (HPLC)
form: crystals
bp: 220-222 °C/13 hPa
mp: 136-138 °C
transition temp: flash point 202 °C
storage temp.: 2-30°C
InChI: 1S/C7H9NO2S/c1-6-2-4-7(5-3-6)11(8,9)10/h2-5H,1H3,(H2,8,9,10)
InChI key: LMYRWZFENFIFIT-UHFFFAOYSA-N

Computed Properties of PTSA 70 %
Molecular Weight: 172.20
XLogP3: 1.7
Hydrogen Bond Donor Count: 1
Hydrogen Bond Acceptor Count: 3
Rotatable Bond Count: 1
Exact Mass: 172.01941529
Monoisotopic Mass: 172.01941529
Topological Polar Surface Area: 62.8 Å²
Heavy Atom Count: 11
Formal Charge: 0
Complexity: 206
Isotope Atom Count: 0
Defined Atom Stereocenter Count: 0
Undefined Atom Stereocenter Count: 0
Defined Bond Stereocenter Count: 0
Undefined Bond Stereocenter Count: 0
Covalently-Bonded Unit Count: 1
Compound Is Canonicalized: Yes

Synonyms of PTSA 70 %
4-Toluenesulphonamide
200-741-1 [EINECS]
472689 [Beilstein]
4-Methylbenzenesulfonamide [ACD/IUPAC Name]
4-Méthylbenzènesulfonamide [French] [ACD/IUPAC Name]
4-Methylbenzolsulfonamid [German] [ACD/IUPAC Name]
4-Toluenesulfonamide
70-55-3 [RN]
Benzenesulfonamide, 4-methyl- [ACD/Index Name]
p-Toluenesulfonamide
p-Tosylamide
XT5075000
ZSWR D1 [WLN]
(2S)-2-amino-4-methylpentanamide
(4-Methylphenyl)sulfonamide
4-(2-Hydroxyethyl)benzenesulfonamide [ACD/IUPAC Name]
4-11-00-00376 (Beilstein Handbook Reference) [Beilstein]
4-methylbenzene-1-sulfonamide
4-methylbenzenesulfonamidate
4-methyl-benzenesulfonamide
4-methylbenzenesulfonimidic acid
4-Methylbenzenesulphonamide
4-Toluenesulfanamide
4-Toluenesulfonic acid, amide
4-Tolylsulfonamide
ar-Toluenesulfonamide
Benzenesulfonamide, 4-methyl- (9CI)
Ketjenflex 7
N-tosyl amine
N-tosylamine
OPTSA
p-toluenesulfonamide
Para Toluene Sulfonamide
para-Toluenesulfamine
para-Toluenesulfonamide
pasam
p-Methylbenzenesulfonamide
p-toluene sulfonamide
p-Toluenesulfamide
p-Toluenesulfanamide
p-toluenesulfonamide 98%
P-TOLUENESULFONAMIDE|4-METHYLBENZENE-1-SULFONAMIDE
p-Toluenesulfonylamide
p-Toluenesulphonamide
p-toluensulfonamide
p-Tolylsulfonamide
PTSA
Tolouen-4-sulfonamide
Toluene-4-sulfonamide
Toluene-4-sulphonamide
toluene-p-sulfonamide
Toluene-p-sulphonamide
Toluenesulfonamide
toluenesulphonamide
Tolylsulfonamide
TOS
UNII-7KNQ0Z6J6Y
Uniplex 17
P-TOLUENESULFONIC ACID
4-Methylbenzenesulfonic acid
104-15-4
4-Toluenesulfonic acid
p-Toluenesulphonic acid
Toluene-4-sulfonic acid
Tosic acid
p-Tolylsulfonic acid
Tosylic acid
p-Methylbenzenesulfonic acid
Toluenesulfonic acid
Benzenesulfonic acid, 4-methyl-
p-Methylphenylsulfonic acid
p-Toluenesulfonate
Eltesol
PARA-TOLUENE SULFONATE
PTSA
Cyclophil P T S A
ar-Toluenesulfonic acid
p-Toluolenesulfonic acid
p-Toluene sulfonate
P-Toluene Sulfonic acid
Methylbenzenesulfonic acid
Nacure 1040
Benzenesulfonic acid, methyl-
Cyzac 4040
Toluene-4-sulphonic aci
Kyselina p-toluenesulfonova
Manro PTSA 65 E
Manro PTSA 65 H
TSA-HP
TSA-MH
Manro PTSA 65 LS
Kyselina p-toluensulfonova
Toluene-p-sulfonate
K-Cure 1040
Toluenesulfonic acid (VAN)
Toluen-4-sulfonsaeure
p-toluene sulphonic acid
para-toluenesulfonic acid
HSDB 2026
UNII-QGV5ZG5741
NSC 167068
p-toluensulfonic acid
2(Or 4)-toluenesulphonic acid
toluene-p-sulfonic acid
p-Toluene-sulfonic acid
para-toluenesulphonic acid
paratoluene sulphonic acid
para toluene sulfonic acid
4-Toluene sulfonic acid
CHEMBL541253
QGV5ZG5741
4-TOLUENE-SULFONIC ACID
4-methylbenzene-1-sulfonic acid
CHEBI:27849
TsOH
WLN: WSQR D1
p-TSA
K-Cure 040
TSU
Kyselina p-toluensulfonova [Czech]
Kyselina p-toluenesulfonova [Czech]
EINECS 203-180-0
BRN 0472690
TosicAcid
4-sulphotoluene
AI3-26478
pTsOH
TosOH
Tosic acid p-TSA
p-toluenesulfonicacid
P-Toluene Sulfonic acid(monohydrate)
p-TsOH
Tos-OH
p-toluenesufonic acid
4-Toluenesulfonicacid
p-toluene sulfonicacid
p-toluene-sulfonicacid
p-toluensulphonic acid
paratoluensulfonic acid
Ts-OH
p-toluen sulfonic acid
p-toluenesuiphonic acid
p-toluenylsulfonic acid
paratoluenesulfonic acid
PTS ACID
4-toluenesulphonic acid
p -toluenesulfonic acid
p- toluenesulfonic acid
p-tolu-enesulfonic acid
p-toluyl sulphonic acid
toluene p-sulfonic acid
para-toluensulfonic acid
rho-toluenesulfonic acid
paratoluenesulphonic acid
p-toluene-sulphonic acid
toluene 4-sulfonic acid
toluene p-sulphonic acid
toluene-p-sulphonic acid
para toluenesulfonic acid
paratoluene sulfonic acid
paratoluene-sulfonic acid
SCHEMBL34
4-toluene sulphonic acid
4-toluene-sulphonic acid
rho-toluene sulfonic acid
para toluenesulphonic acid