4,6-Dihydroxy-2-mercaptopyrimidine

Modify Date: 2025-08-25 12:16:34

4,6-Dihydroxy-2-mercaptopyrimidine structure	Common Name	4,6-Dihydroxy-2-mercaptopyrimidine
	CAS Number	504-17-6	Molecular Weight	144.152
	Density	1.6±0.1 g/cm3	Boiling Point	463.4ºC at 760 mmHg
	Molecular Formula	C₄H₄N₂O₂S	Melting Point	245 °C (dec.)(lit.)
	MSDS	Chinese USA	Flash Point	234ºC

Name	2-thiobarbituric acid
Synonym	More Synonyms

Density	1.6±0.1 g/cm3
Boiling Point	463.4ºC at 760 mmHg
Melting Point	245 °C (dec.)(lit.)
Molecular Formula	C₄H₄N₂O₂S
Molecular Weight	144.152
Flash Point	234ºC
Exact Mass	143.999344
PSA	90.29000
LogP	-0.52
Index of Refraction	1.645
Storage condition	Controlled Substance, -20°C Freezer
Stability	Stable. Incompatible with strong oxidizing agents.
Water Solubility	<6 g/L (20 ºC)

4,6-Dihydroxy-2-mercaptopyrimidine MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: CQ7700000

CHEMICAL NAME :: Barbituric acid, 2-thio-

CAS REGISTRY NUMBER :: 504-17-6

LAST UPDATED :: 199701

DATA ITEMS CITED :: 6

MOLECULAR FORMULA :: C4-H4-N2-O2-S

MOLECULAR WEIGHT :: 144.16

WISWESSER LINE NOTATION :: T6VMYMV FHJ CUS

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >5 gm/kg

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

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 25(5),50,1981

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

ROUTE OF EXPOSURE :: Unreported

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 5060 mg/kg

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

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 25(5),50,1981

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 600 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

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

ROUTE OF EXPOSURE :: Unreported

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 829 mg/kg

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

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 25(5),50,1981

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

ROUTE OF EXPOSURE :: Unreported

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 4650 mg/kg

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

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 25(5),50,1981

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes	Xi:Irritant;
Risk Phrases	R36/37/38
Safety Phrases	S22-S24/25-S37/39-S26
RIDADR	UN 3335
WGK Germany	2
RTECS	CQ7700000
HS Code	29335995

thiourea

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Precursor 6
CAS#:105-53-3 Diethyl malonate CAS#:996-82-7 sodium 1,3-diet... CAS#:108-59-8 Dimethyl malonate CAS#:1004-40-6 6-amino-2-sulfa...
CAS#:7664-93-9 Sulfuric acid CAS#:1004-39-3 4,6-Diaminopyri...
DownStream 10
CAS#:145783-12-6 6-Hydroxy-2-(pr... CAS#:181520-02-5 7,11-diphenyl-3... CAS#:141-82-2 Malonic acid CAS#:23193-24-0 Barbituric acid...
CAS#:29639-68-7 2-(methylthio)p... CAS#:67-52-7 Barbituric acid CAS#:36137-21-0 4,5,6(1H)-Pyrim... CAS#:1979-98-2 2-(methylthio)p...
CAS#:120244-32-8 5-(2-thiophene)... CAS#:27430-13-3 4,6(1H,5H)-Pyri...

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%

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4,6(1H,5H)-pyrimidinedione, 2-mercapto-

4,6-Dihydroxy-2-mercaptopyrimidine

usafek-660

2-Sulfanylpyrimidine-4,6(1H,5H)-dione

2-Mercapto-4,6(1H,5H)-pyrimidinedione

2-Mercapto-4

Thiobarbituric Acid

4,6(1H,5H)-Pyrimidinedione, dihydro-2-thioxo-

Thiobarbituric

bathyran

Thiobarbituicacid

2-thioxodihydropyrimidine-4,6(1h,5h)-dione

MFCD00006674

AURORA KA-3842

EINECS 207-985-8

MALONYLTHIOUREA

Mealonylthiourea

2-Thiobarbituric Acid

2-Thioxodihydro-4,6(1H,5H)-pyrimidinedione

4,6-Dihydroxypyrimidine-2-thiol

austranal

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 4,6-Dihydroxy-2-mercaptopyrimidine
Price: Check
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Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 4,6-Dihydroxy-2-mercaptopyrimidine
Price: ￥158.0/100g ￥528.0/500g
Purity: 95.0%
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Henan Tianfu Chemical Co., Ltd.
China
Product Name: 4,6-Dihydroxy-2-mercaptopyrimidine
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
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Email: info@tianfuchem.com

Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: 4,6-Dihydroxy-2-mercaptopyrimidine
Price: ￥Inquiry/25kg
Purity: 99.0%
Delivery: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

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4,6-Dihydroxy-2-mercaptopyrimidine

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