2-Mercaptopropionic acid

Modify Date: 2025-08-22 21:23:55

2-Mercaptopropionic acid structure	Common Name	2-Mercaptopropionic acid
	CAS Number	79-42-5	Molecular Weight	106.14400
	Density	1.196 g/mL at 25 °C(lit.)	Boiling Point	102 °C16 mm Hg(lit.)
	Molecular Formula	C₃H₆O₂S	Melting Point	10-14 °C(lit.)
	MSDS	Chinese USA	Flash Point	190 °F
	Symbol	GHS05	Signal Word	Danger

Name	2-mercaptopropanoic acid
Synonym	More Synonyms

Density	1.196 g/mL at 25 °C(lit.)
Boiling Point	102 °C16 mm Hg(lit.)
Melting Point	10-14 °C(lit.)
Molecular Formula	C₃H₆O₂S
Molecular Weight	106.14400
Flash Point	190 °F
Exact Mass	106.00900
PSA	76.10000
LogP	0.38930
Index of Refraction	n20/D 1.481(lit.)
Water Solubility	MISCIBLE

2-Mercaptopropionic acid MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UF5250000

CHEMICAL NAME :: Propionic acid, 2-mercapto-

CAS REGISTRY NUMBER :: 79-42-5

BEILSTEIN REFERENCE NO. :: 0506218

LAST UPDATED :: 199710

DATA ITEMS CITED :: 4

MOLECULAR FORMULA :: C3-H6-O2-S

MOLECULAR WEIGHT :: 106.15

WISWESSER LINE NOTATION :: SHY1&VQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LCLo - Lowest published lethal concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 700 ppm

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

REFERENCE :: KODAK* Kodak Company Reports. (343 State St., Rochester, NY 14650) Volume(issue)/page/year: 21MAY1971 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X1637 No. of Facilities: 2476 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 22270 (estimated) No. of Female Employees: 16742 (estimated)

Symbol	GHS05
Signal Word	Danger
Hazard Statements	H314
Precautionary Statements	P260-P280-P303 + P361 + P353-P304 + P340 + P310-P305 + P351 + P338
Personal Protective Equipment	Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	C:Corrosive;
Risk Phrases	R22;R34
Safety Phrases	S26-S36/37/39-S45-S25
RIDADR	UN 2936 6.1/PG 2
WGK Germany	1
RTECS	UF5250000
Packaging Group	II
Hazard Class	6.1
HS Code	29309070

Precursor 8
CAS#:19788-49-9 ETHYL 2-MERCAPT... CAS#:107-96-0 3-Mercaptopropi... CAS#:383400-97-3 2-(((4-methoxyp... CAS#:127-17-3 Pyruvic acid
CAS#:3805-14-9 2-Amino-5-methy... CAS#:4775-93-3 2,2'-Dithiodipr... CAS#:598-78-7 2-Chloropropano... CAS#:598-72-1 2-Bromopropioni...
DownStream 10
CAS#:60822-65-3 2,2,4-trimethyl... CAS#:54680-83-0 2-prop-2-enylsu... CAS#:1986-40-9 5-Methyl-3-phen... CAS#:3001-64-7 2-mercaptopropanol
CAS#:20461-87-4 2-ethylsulfanyl... CAS#:70547-50-1 5-METHYL-2-(4-P... CAS#:133833-93-9 ETHYL4-HYDROXY-... CAS#:100638-02-6 2-[(3-NITRO-2-P...
CAS#:131786-47-5 5-METHYL-2-(PYR... CAS#:131786-48-6 5-METHYL-2-(PYR...

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%

Mechanistic Scrutiny Identifies a Kinetic Role for Cytochrome b5 Regulation of Human Cytochrome P450c17 (CYP17A1, P450 17A1).

PLoS ONE 10 , e0141252, (2015)

Cytochrome P450c17 (P450 17A1, CYP17A1) is a critical enzyme in the synthesis of androgens and is now a target enzyme for the treatment of prostate cancer. Cytochrome P450c17 can exhibit either one or...

Phosphorescent quantum dots/ethidium bromide nanohybrids based on photoinduced electron transfer for DNA detection.

Spectrochim. Acta. A. Mol. Biomol. Spectrosc. 140 , 479-83, (2015)

Mercaptopropionic acid-capped Mn-doped ZnS quantum dots/ethidium bromide (EB) nanohybrids were constructed for photoinduced electron transfer (PIET) and then used as a room-temperature phosphorescence...

The effect of phosphate on the nuclease activity of vanadium compounds.

J. Inorg. Biochem. 147 , 165-76, (2015)

The nuclease activity of VO(acac)2 (1, acac = acetylacetone) and its derivatives VO(hd)2 (2, hd = 3,5-heptanedione), VO(Cl-acac)2 (3, Cl-acac = 3-chloro-2,4-pentanedione), VO(Et-acac)2 (4, Et-acac = 3...

EINECS 201-206-5

Thiolacticacid

2-mercapto-propanoicaci

(+/-)-2-mercaptopropionic acid

FEMA 3810

MFCD00004862

Thiomilchsure

2-Mercaptopropionic acid

FEMA 3180

thiolactic

2-thiolacticacid

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 2-Mercaptopropionic acid
Price: Check
Purity: 97.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 2-Mercaptopropionic acid
Price: ￥118.0/25g
Purity: 98.0%
Delivery: 1 Day
Contact: Liu jia
Email: 2130147988@qq.com

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

Henan Tianfu Chemical Co., Ltd.
China
Product Name: CAS No.79-42-5 2-Mercaptopropionic acid
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Delivery: Inquiry
Contact: Anson
Email: info@tianfuchem.com

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2-Mercaptopropionic acid

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