Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 4-pyridinethiol
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 4-pyridinethiol
Price: ￥180.0/5g ￥600.0/25g
Purity: 96.0%
Stocking Period: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4-Mercaptopyridine
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

4556-23-4

4556-23-4 structure

4556-23-4 structure

Name: 4-pyridinethiol
Chemical Name: 4-Mercaptopyridine
CAS Number: 4556-23-4
Molecular Formula: C₅H₅NS
Molecular Weight: 111.165
Catalog: Chemical reagent Organic reagent Thiol salt
Create Date: 2018-02-12 08:00:00
Modify Date: 2025-08-23 12:22:58

Name	4-Mercaptopyridine
Synonyms	4-mercapto-pyridin 4-Pyridimethiol 4(1H)-Pyridinethione Mercaptopyridine Pyridine-4-thiol EINECS 224-926-1 4-Mercaptopyridine 4-Mecaptopyridine 4-Mercapto-pyridine 4-thiopyridine Pyridine-4(1H)-thione 4-Pyridyl Mercaptan 4-mercatopyridine 4-pyridinethiol MFCD00006422

Density	1.2±0.1 g/cm3
Boiling Point	194.0±13.0 °C at 760 mmHg
Melting Point	182-189 °C
Molecular Formula	C₅H₅NS
Molecular Weight	111.165
Flash Point	71.1±19.8 °C
Exact Mass	111.014267
PSA	51.69000
LogP	1.03
Vapour Pressure	0.6±0.4 mmHg at 25°C
Index of Refraction	1.598
Storage condition	0-6°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UT8578000

CHEMICAL NAME :: 4-Pyridinethiol

CAS REGISTRY NUMBER :: 4556-23-4

BEILSTEIN REFERENCE NO. :: 0105869

LAST UPDATED :: 199712

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C5-H5-N-S

MOLECULAR WEIGHT :: 111.17

WISWESSER LINE NOTATION :: T6NJ DSH

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 178 mg/kg

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

REFERENCE :: CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#00422

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Bird - wild bird species

DOSE/DURATION :: 750 mg/kg

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

REFERENCE :: AECTCV Archives of Environmental Contamination and Toxicology. (Springer-Verlag New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ 070944) V.1- 1973- Volume(issue)/page/year: 12,355,1983

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xi:Irritant;
Risk Phrases	R36/37/38
Safety Phrases	S26-S37/39-S24/25
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	UT8578000
HS Code	2933399090

Precursor 8
626-61-9 626-64-2 108-96-3 110-86-1
22752-98-3 5421-92-1 7379-35-3 2645-22-9
DownStream 10
109876-35-9 37968-97-1 626-61-9 22581-72-2
939-23-1 5402-20-0 65938-88-7 134479-04-2
33399-48-3 134186-64-4

HS Code	2933399090
Summary	2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.