Thiomalic acid

Modify Date: 2025-08-20 19:12:05

Thiomalic acid structure	Common Name	Thiomalic acid
	CAS Number	70-49-5	Molecular Weight	150.153
	Density	1.5±0.1 g/cm3	Boiling Point	256.3±30.0 °C at 760 mmHg
	Molecular Formula	C₄H₆O₄S	Melting Point	155-157 °C(lit.)
	MSDS	Chinese USA	Flash Point	108.8±24.6 °C
	Symbol	GHS07	Signal Word	Warning

Name	thiomalic acid
Synonym	More Synonyms

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)

Thiomalic acid MSDS(Chinese)

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
CAS#:110-17-8 fumaric acid CAS#:110-16-7 Maleic acid CAS#:923-06-8 UNII:O3K54IBV7F CAS#:3384-95-0 2,2'-dithiodisu...
CAS#:6332-90-7 2-acetylsulfany... CAS#:108-31-6 Maleic anhydride CAS#:298-06-6 Diethyl dithiop... CAS#:99-68-3 Butanedioic aci...
DownStream 10
CAS#:4917-76-4 Thiodisuccinic Acid CAS#:23060-14-2 2-mercaptosucci... CAS#:1795-56-8 Butanedioic aci... CAS#:152829-60-2 S-nitroso-beta-...
CAS#:60-24-2 mercaptoethanol CAS#:6953-60-2 Acetylthiosucci... CAS#:110-77-0 2-(Ethylsulfany... CAS#:2218-96-4 2,4-dinitrobenz...
CAS#:701-23-5 (2-mercapto-4-o... CAS#:74708-34-2 (S)-2-Mercaptos...

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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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

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Thiomalic acid
Price: Check
Purity: 98.0%
Delivery: 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%
Delivery: 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%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: Thiomalic acid
Price: ￥Inquiry/1kg ￥Inquiry/25kg ￥Inquiry/200kg
Purity: 99.0%
Delivery: 3 Day
Contact: Wang Jie
Email: 3096638339@qq.com

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Thiomalic acid

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