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: 3-Mercapto-2-butanone
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: UNII:99G79565PJ
Price: ￥Inquiry/25kg
Purity: 99.0%
Stocking Period: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

40789-98-8

40789-98-8 structure

40789-98-8 structure

Name: UNII:99G79565PJ
Chemical Name: 3-Mercapto-2-butanone
CAS Number: 40789-98-8
Molecular Formula: C₄H₈OS
Molecular Weight: 104.171
Catalog: Flavors and spices Synthetic spice Thiol perfume
Create Date: 2018-05-30 08:00:00
Modify Date: 2026-07-04 15:50:35

Name	3-Mercapto-2-butanone
Synonyms	3-MERCAPTO-2-BUTANONE ( IN TRIACETIN) 3-Mercapto-2-butanone //BP 3-Mercapto-2-butanone, with Calcium cbonate 3-Mercapto-2-Butanone(FEMA No.3298) 3-sulfanylbutan-2-one 3-Mercapto-2-butanone stab. with CalciuM cbonate 2-Butanone, 3-mercapto 3-MERCAPTO-2-BUTANONE FEMA NO.3298 3-MERCAPTOBUTAN-2-ONE 3-MERCAPTOBUTANONE 3-Mercapto-2-butanone >= 3-MERCAPTO-2-BUTANONE, FEMA NO 3-Sulfanyl-2-butanone mercapto-3butanone-2 3-Mercapto-2-butanone> 3-mercapto-2-butanon 2-MERCAPTO-3-BUTANONE 3-Mercapto-2-butanone solution (3R)-3-mercapto-2-butanone MFCD00085206 EINECS 255-082-2 3-MERCAPTO-2-BUTANONE mercaptobutanone,3-mercapto-2-butanone 3-Sulfanylbutan-2-one

Density	1.0±0.1 g/cm3
Boiling Point	140.0±23.0 °C at 760 mmHg
Molecular Formula	C₄H₈OS
Molecular Weight	104.171
Flash Point	38.5±22.6 °C
Exact Mass	104.029587
PSA	55.87000
LogP	0.67
Vapour Pressure	6.2±0.3 mmHg at 25°C
Index of Refraction	1.449
Storage condition	Refrigerator

CHEMICAL IDENTIFICATION

RTECS NUMBER :: EL9050000

CHEMICAL NAME :: 2-Butanone, 3-mercapto-

CAS REGISTRY NUMBER :: 40789-98-8

BEILSTEIN REFERENCE NO. :: 1737689

LAST UPDATED :: 199701

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C4-H8-O-S

MOLECULAR WEIGHT :: 104.18

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 500 mg/kg

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

REFERENCE :: EJMCA5 European Journal of Medicinal Chemistry--Chimie Therapeutique. (Editions Scientifiques Elsevier, 29 rue Buffon, F-75005, Paris, France) V.9- 1974- Volume(issue)/page/year: 21,461,1986

Symbol	GHS02, GHS07
Signal Word	Warning
Hazard Statements	H226-H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	Xi
Risk Phrases	R10
Safety Phrases	S26-S36
RIDADR	UN 1993 3/PG 2
WGK Germany	3
RTECS	EL9050000
Packaging Group	III
Hazard Class	3
HS Code	2930909090

Precursor 6
4091-39-8 513-86-0 61323-21-5 58-86-6
59-43-8 52-90-4
DownStream 5
53475-15-3 78-93-3 2861-48-5 82694-43-7
60633-24-1

HS Code	2930909090
Summary	2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

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