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

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Thiomalic acid
Price: ￥138.0/25g ￥428.0/100g
Purity: 98.0%
Stocking Period: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

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

70-49-5

70-49-5 structure

70-49-5 structure

Name: Thiomalic acid
Chemical Name: thiomalic acid
CAS Number: 70-49-5
Molecular Formula: C₄H₆O₄S
Molecular Weight: 150.153
Catalog: Organic raw materials Amino compound Cycloalkylamines, aromatic monoamines, aromatic polyamines and derivatives and salts thereof
Create Date: 2018-08-21 12:22:38
Modify Date: 2025-08-20 19:12:05

Name	thiomalic acid
Synonyms	2-thiomalic acid Mercaptobutanedioic Acid DL-Mercaptosuccinic acid 2-sulfanylbutanedioic acid Thiomalic acid EINECS 200-736-4 Mercaptosuccinic acid Butanedioic acid, 2-mercapto- 2-Sulfanylsuccinic acid 2-mercaptosuccinic acid MFCD00004860

Density	1.5±0.1 g/cm3
Boiling Point	256.3±30.0 °C at 760 mmHg
Melting Point	155-157 °C(lit.)
Molecular Formula	C₄H₆O₄S
Molecular Weight	150.153
Flash Point	108.8±24.6 °C
Exact Mass	149.998672
PSA	113.40000
LogP	0.35
Vapour Pressure	0.0±1.1 mmHg at 25°C
Index of Refraction	1.556
Storage condition	2-8°C
Water Solubility	150 g/L (20 ºC)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: WM8225000

CHEMICAL NAME :: Succinic acid, mercapto-

CAS REGISTRY NUMBER :: 70-49-5

BEILSTEIN REFERENCE NO. :: 1099858

LAST UPDATED :: 199701

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C4-H6-O4-S

MOLECULAR WEIGHT :: 150.16

WISWESSER LINE NOTATION :: SHYVQ1VQ

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 :: 200 mg/kg

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

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD277-689

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H302-H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xn:Harmful;
Risk Phrases	R22;R36/37/38
Safety Phrases	S26-S36-S36/37/39
RIDADR	1759
WGK Germany	3
RTECS	WM8225000
Packaging Group	III
Hazard Class	8
HS Code	2930909090

Precursor 8
110-17-8 110-16-7 923-06-8 3384-95-0
6332-90-7 108-31-6 298-06-6 99-68-3
DownStream 10
4917-76-4 23060-14-2 1795-56-8 152829-60-2
60-24-2 6953-60-2 110-77-0 2218-96-4
701-23-5 74708-34-2

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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