Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Tosyl isocyanate
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: p-Toluenesulfonyl Isocyanate
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: p-Toluenesulfonyl isocyanate
Price: ￥Inquiry/25kg
Purity: 99.0%
Stocking Period: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

4083-64-1

4083-64-1 structure

4083-64-1 structure

Name: p-Toluenesulfonyl isocyanate
Chemical Name: Tosyl Isocyanate
CAS Number: 4083-64-1
Molecular Formula: C₈H₇NO₃S
Molecular Weight: 197.211
Catalog: Chemical reagent Organic reagent Cyanate ester / isocyanate
Create Date: 2018-05-10 08:00:00
Modify Date: 2026-07-08 12:20:33

Name	Tosyl Isocyanate
Synonyms	Isocyanate p-toluenesulfonic acid 4-methylbenzene-1-sulfonyl isocyanate Benzenesulfonylisocyanate,4-methyl p-Toluolsulfonylisocyanat p-Toluenesulfonyl Isocyanate, PTSI, Tosyl Isocyanate Sulfone, isocyanato tolyl TOSYL ISOCYANATE P-TOULENESULFONYL ISOCYANATE(TOULENESULFONYL ISOCYANATE) 4-Methylphenylsulfonyl isocyanate P-toluenesulfony6l isocyanate Benzenesulfonyl isocyanate, 4-methyl p-Toluenesulphonyl isocyanate P-TOLUENESULPHONYL ISOCYANATE p-Toluenesulfonyl isocyate 4-Methylbenzenesulfonyl isocyanate TOSYL ISOCYANATE (PTSI) MSI/PTSI MFCD00002030 p-Toluenesulfonyl isocyanate,AcroSeal p-Toluenesulfonyl isocyanate SpcSeal POLYLINK PTSI p-Toluenesulfonyl isocyanate, AcroSeal P**P-TOLUENESULFONYL ISOCYANATE p-Toluenesulfonylisocyanate 4-TOLUENESULFONYL ISOCYANATE P-toluenesulfonyl isocyanate (Tosyl isocyanate ,PTSI) 4-METHYLBENZENE-1-SULFONYL ISOCYANATE p-Toluenesulfonyl isocyanate AcroSeal&trade p-Tosyl isocyanate Isocyanicacid, anhydride with p-toluenesulfonic acid (6CI) EINECS 223-810-8 4-methyl-N-(oxomethylidene)benzenesulfonamide Ptsl Pa Toluene Sulfonyl Isocyanate 4-Isocyanatosulphonyltoluene p-Toluensulfonyl isocyanate 4-methylbenzene-1-sulphonyl isocyanate p-Methylphenylsulfonyl isocyanate 4-methyl-Benzenesulfonylisocyanate 4-methyl-benzenesulfonylisocyanat p-Tolylsulfonyl isocyanate P-TOLUENESULFONYL ISOCYANATE(PTSI) 4-METHYLBENZENESULPHONYLISOCYANATE 4-isocyanatosulphonyltoluene tosyl isocyanate 4-Methyl-N-(oxomethylene)benzenesulfonamide p-Toluenesulfonyl isocyanate AcroSeal TOLUENE-4-SULFONYL ISOCYANATE Tosyl isocyanate P-TOLUENESULFONYL ISOCYANATE p-Toluenesulfonic acid, anhydride with isocyanic acid PA-TOSYLISOCYANATE

Density	1.3±0.1 g/cm3
Boiling Point	288.8±9.0 °C at 760 mmHg
Melting Point	5°C
Molecular Formula	C₈H₇NO₃S
Molecular Weight	197.211
Flash Point	128.5±18.7 °C
Exact Mass	197.014664
PSA	71.95000
LogP	2.44
Vapour Pressure	0.0±0.6 mmHg at 25°C
Index of Refraction	1.566
Water Solubility	reacts

Symbol	GHS06, GHS08
Signal Word	Danger
Hazard Statements	H315-H319-H331-H334-H335
Supplemental HS	Reacts violently with water.
Precautionary Statements	P261-P284-P304 + P340 + P312-P305 + P351 + P338-P342 + P311-P403 + P233
Personal Protective Equipment	Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	Xn:Harmful
Risk Phrases	R14;R36/37/38;R42
Safety Phrases	S26-S28-S30-S28A
RIDADR	UN 2206 6.1/PG 3
WGK Germany	1
RTECS	DB9032000
Packaging Group	III
Hazard Class	6.1
HS Code	2929109000

Precursor 7
201230-82-2 127-65-1 125069-32-1 5577-13-9
14437-03-7 1189-71-5 937-12-2
DownStream 10
107410-59-3 35570-68-4 106691-25-2 70-55-3
112252-01-4 5577-13-9 14437-03-7 146448-53-5
18303-03-2 197145-73-6

HS Code	2929109000
Summary	2929109000. other isocyanates. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

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