6-Amino-2-thioxo-2,3-dihydropyrimidin-4(1H)-one hydrate

Modify Date: 2025-08-23 12:50:27

6-Amino-2-thioxo-2,3-dihydropyrimidin-4(1H)-one hydrate structure	Common Name	6-Amino-2-thioxo-2,3-dihydropyrimidin-4(1H)-one hydrate
	CAS Number	65802-56-4	Molecular Weight	161.182
	Density	N/A	Boiling Point	557ºC at 760 mmHg
	Molecular Formula	C₄H₇N₃O₂S	Melting Point	>300 °C(lit.)
	MSDS	Chinese USA	Flash Point	290.7ºC
	Symbol	GHS07	Signal Word	Warning

Name	4-Amino-6-hydroxy-2-mercaptopyrimidine monohydrate
Synonym	More Synonyms

Boiling Point	557ºC at 760 mmHg
Melting Point	>300 °C(lit.)
Molecular Formula	C₄H₇N₃O₂S
Molecular Weight	161.182
Flash Point	290.7ºC
Exact Mass	161.025894
PSA	115.99000
LogP	0.53160
InChIKey	BWYGMIYEADAIGW-UHFFFAOYSA-N
SMILES	Nc1cc(=O)[nH]c(=S)[nH]1.O
Storage condition	Refrigerator

MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UW0495000

CHEMICAL NAME :: 2-Pyrimidinethiol, 4-amino-6-hydroxy-, monohydrate

CAS REGISTRY NUMBER :: 65802-56-4

LAST UPDATED :: 197901

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C4-H5-N3-O-S.H2-O

MOLECULAR WEIGHT :: 161.20

WISWESSER LINE NOTATION :: T6N CNJ BSH DZ FQ &QH

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#00692

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H302-H319
Precautionary Statements	P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xn: Harmful;
Risk Phrases	R22
Safety Phrases	S26-S24/25
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	UW0495000
HS Code	2933599090

Precursor 0
DownStream 1
CAS#:72195-13-2 2a-hydroxy-2a,3...

HS Code	2933599090
Summary	2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

6-amino-2-sulfanylidene-1H-pyrimidin-4-one,hydrate

6-Amino-2-thioxo-2,3-dihydropyrimidin-4(1H)-one hydrate (1:1)

MFCD00150556

6-Amino-2-thioxo-2,3-dihydro-4(1H)-pyrimidinone hydrate (1:1)

4(1H)-Pyrimidinone, 6-amino-2,3-dihydro-2-thioxo-, hydrate (1:1)

6-Amino-2-sulfanylpyrimidin-4-ol hydrate (1:1)

EINECS 251-501-8

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 6-Amino-2-thioxo-2,3-dihydropyrimidin-4(1H)-one hydrate
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 6-Amino-2-thioxo-2,3-dihydropyrimidin-4(1H)-one hydrate
Price: ￥108.0/25g ￥328.0/100g
Purity: 97.0%
Delivery: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4-Amino-6-hydroxy-2-mercaptopyrimidine monohydrate
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

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