Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Methyl p-toluenesulfonate
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
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Henan Tianfu Chemical Co., Ltd.
China
Product Name: P-Toluene sulfonic acid Methyl Ester, PTSM, Methyl p-toluenesulfonate, P-Toluenesulfonic acid Methyl
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
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Contact: Anson
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Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: Methyl p-toluenesulfonate
Price: ￥Inquiry/25kg
Purity: 99.0%
Stocking Period: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

80-48-8

80-48-8 structure

80-48-8 structure

Name: Methyl p-toluenesulfonate
Chemical Name: Methyl p-toluenesulfonate
CAS Number: 80-48-8
Molecular Formula: C₈H₁₀O₃S
Molecular Weight: 186.228
Catalog: Organic raw materials Hydrocarbon compounds and their derivatives Hydrocarbon sulfonate
Create Date: 2018-02-03 08:00:00
Modify Date: 2026-08-03 11:09:53

Name	Methyl p-toluenesulfonate
Synonyms	Methyl p-methylbenzenesulfonate 4-Methylbenzenesulfonic acid methyl p-toluenesulfonatedemethyle methyl 4-methyl-1-benzenesulfonate methyl p-toluene sulfonate METHYL TOLUENE-4-SULPHONATE methyl4-methylbenzenesulfonate PA-TOLUENEMETHYLSULPHONATE METHYLPA-TOLUENESULPHONATE METHYL P-TOLUENESULFONATE MPTS,TRISODIUM SALT LABOTEST-BB LT00782089 methylesterkyselinyp-toluensulfonove(czech) METHYL TOSYLATE 4-methylbenzenesulfonic acid methyl ester p-Tolylmethylsulfonate METHYL P-TOLUENESULPHONATE p-toluolsulfonsaeuremethylester PA-TOLUENESULPHONICACID,METHYLESTER METHYL 4-TOLUENESULFONATE methylesterkyselinyp-toluensulfonove Methyl p-toluenesulf 4-methyl-benzenesulfonicacimethylester P-Toluene sulfonic acid Methyl Ester, PTSM, Methyl p-toluenesulfonate, P-Toluenesulfonic acid Methyl Ester toluene-4-sulfonic acid-methyl ester MFCD00008417 methyl para-toluenesulfonate Methyl ester of 4-methylbenzenesulfonic acid p-Methylbenzenesulfonate methyl ester p-Toluenesulfonic acid methyl MethylP-Toluenesulphonate Methylester kyseliny p-toluensulfonove p-methylbenzenesulfonatemethylester EINECS 201-283-5 METHYL-4-TOLUENESULFONATE MPTS TRISODIUM-8-METHOXYPYRENE-1,3,6-SULFONATE p-Toluolsulfonsaeure methyl ester Methyl pa-toluenesulfonate methyltoluene-4-sulfonate p-Toluenesulfonic acid mehtyl ester 4-TOLUENESULFONATE METHYL ESTER 8-METHOXYPYRENE-1,-TRISULFONIC ACID TRISODIM SALT 4-TOLUENESULFONIC ACID METHYL ESTER Methyl p-tosylate~p-Toluenesulphonic acid methyl ester Methyl toluene-4-sulfonate P-Toluene sulPhonic acid methyl ester Methyl-4-toluenesulphonate P-TOLUENESULFONIC ACID METHYL ESTER Methyl p-toluenesulfonate, R Methylp-toluenesulfonate methylp-methylbenzenesulfonate Benzenesulfonicacid,4-methyl-,methylester PTS1 Methyl 4-methylbenzenesulfonate TRISODIUM 8-METHOXYPYRENE-1,3,6-TRISULFONATE Toluene-4-sulfonicacidmethylester methyl 4-toluenesulfonate Methyl 4-methylbenzenesulphonate, Methyl tosylate METHYL P-TOSYLATE Methanol tosylate MPTS, TRISODIUM SALT

Density	1.2±0.1 g/cm3
Boiling Point	291.8±9.0 °C at 760 mmHg
Melting Point	25-28 °C(lit.)
Molecular Formula	C₈H₁₀O₃S
Molecular Weight	186.228
Flash Point	130.3±18.7 °C
Exact Mass	186.035065
PSA	51.75000
LogP	1.30
Vapour density	6.45 (vs air)
Vapour Pressure	0.0±0.6 mmHg at 25°C
Index of Refraction	1.517
Storage condition	2-8°C
Water Solubility	Insoluble

CHEMICAL IDENTIFICATION

RTECS NUMBER :: XT7000000

CHEMICAL NAME :: p-Toluenesulfonic acid, methyl ester

CAS REGISTRY NUMBER :: 80-48-8

BEILSTEIN REFERENCE NO. :: 0609209

LAST UPDATED :: 199707

DATA ITEMS CITED :: 10

MOLECULAR FORMULA :: C8-H10-O3-S

MOLECULAR WEIGHT :: 186.24

WISWESSER LINE NOTATION :: 1OSWR D1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration into the eye

SPECIES OBSERVED :: Rodent - rabbit

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 341 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 250 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1400 mg/kg/2Y

TOXIC EFFECTS :: Tumorigenic - equivocal tumorigenic agent by RTECS criteria Skin and Appendages - tumors

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 50 mg/kg

TOXIC EFFECTS :: Tumorigenic - equivocal tumorigenic agent by RTECS criteria Tumorigenic - tumors at site of application

TYPE OF TEST :: TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 800 mg/kg/54W-I

TOXIC EFFECTS :: Tumorigenic - equivocal tumorigenic agent by RTECS criteria Skin and Appendages - tumors Tumorigenic - tumors at site of application

TYPE OF TEST :: Sex chromosome loss and nondisjunction

MUTATION DATA

TEST SYSTEM :: Insect - Drosophila melanogaster

DOSE/DURATION :: 11 mmol/L

REFERENCE :: MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 198,73,1988

Symbol	GHS05, GHS07
Signal Word	Danger
Hazard Statements	H302-H314-H317
Precautionary Statements	P280-P305 + P351 + P338-P310
Personal Protective Equipment	Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
Hazard Codes	Xn:Harmful;
Risk Phrases	R22;R36/37/38;R40;R43
Safety Phrases	S26-S36/37/39-S45-S24
RIDADR	UN 3261 8/PG 2
WGK Germany	3
RTECS	XT7000000
Packaging Group	III
Hazard Class	8
HS Code	2904909090

Precursor 9
67-56-1 104-15-4 129624-79-9 98-59-9
7182-86-7 74-88-4 77-78-1 1825-61-2
79069-32-2
DownStream 9
109249-29-8 10506-59-9 4124-41-8 76443-13-5
76443-14-6 77-78-1 74-89-5 606-45-1
57113-89-0

HS Code	2904909090
Summary	HS:2904909090 sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

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