Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Acetylsalicyloyl chloride
Price: Check
Purity: 95.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2-Acetoxybenzoyl chloride
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

5538-51-2

5538-51-2 structure

5538-51-2 structure

Name: Acetylsalicyloyl chloride
Chemical Name: O-Acetylsalicylryl chloride
CAS Number: 5538-51-2
Molecular Formula: C₉H₇ClO₃
Molecular Weight: 198.603
Catalog: Chemical reagent Organic reagent Acid halide
Create Date: 2018-04-05 08:00:00
Modify Date: 2025-08-26 19:00:09

Name	O-Acetylsalicylryl chloride
Synonyms	O-Acetylsalicyloylchloride 2-(Chlorcarbonyl)phenylacetat Benzoyl chloride, 2-(acetyloxy)- MFCD00000663 Acetylsalicyloyl chloride (2-carbonochloridoylphenyl) acetate EINECS 226-899-1 2-(Chlorocarbonyl)phenyl acetate

Density	1.3±0.1 g/cm3
Boiling Point	345.8±0.0 °C at 760 mmHg
Melting Point	45-49 °C(lit.)
Molecular Formula	C₉H₇ClO₃
Molecular Weight	198.603
Flash Point	126.6±21.6 °C
Exact Mass	198.008377
PSA	43.37000
LogP	1.36
Vapour Pressure	0.0±0.7 mmHg at 25°C
Index of Refraction	1.536
Storage condition	Refrigerator

Symbol	GHS05, GHS07
Signal Word	Danger
Hazard Statements	H302-H314
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	C:Corrosive;
Risk Phrases	R22;R29;R34
Safety Phrases	S26-S36/37/39-S45
RIDADR	UN 3261 8/PG 2
WGK Germany	3
Packaging Group	II
Hazard Class	8
HS Code	2916399090

Precursor 6
50-78-2 79-37-8 579-75-9 69-72-7
493-53-8 10026-13-8
DownStream 10
10523-48-5 107637-99-0 55482-89-8 81674-79-5
529-68-0 410071-22-6 146952-30-9 50-78-2
28787-36-2 147249-33-0

HS Code	2916399090
Summary	2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

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