4,6-Dihydroxy-2-mercaptopyrimidine

Modify Date: 2024-01-02 11:10:49

4,6-Dihydroxy-2-mercaptopyrimidine Structure
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

 Names

Name 2-thiobarbituric acid
Synonym More Synonyms

 Chemical & Physical Properties

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)

 Toxicological Information

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

 Safety Information

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

 Synthetic Route

~72%

4,6-Dihydroxy-2-mercaptopyrimidine Structure

4,6-Dihydroxy-2...

CAS#:504-17-6

Literature: Medicinal Chemistry Research, , vol. 22, # 9 p. 4075 - 4086

~%

4,6-Dihydroxy-2-mercaptopyrimidine Structure

4,6-Dihydroxy-2...

CAS#:504-17-6

Literature: Journal fuer Praktische Chemie (Leipzig), , vol. <2> 35, p. 456 Journal fuer Praktische Chemie (Leipzig), , vol. <2> 49, p. 38

~%

4,6-Dihydroxy-2-mercaptopyrimidine Structure

4,6-Dihydroxy-2...

CAS#:504-17-6

Literature: Canadian Journal of Chemistry, , vol. 64, p. 2087 - 2093

~%

4,6-Dihydroxy-2-mercaptopyrimidine Structure

4,6-Dihydroxy-2...

CAS#:504-17-6

Literature: Justus Liebigs Annalen der Chemie, , vol. 340, p. 312

~%

4,6-Dihydroxy-2-mercaptopyrimidine Structure

4,6-Dihydroxy-2...

CAS#:504-17-6

Literature: DE171292 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 8, p. 1091

 Customs

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%

 Articles475

More Articles
Rehmannia glutinosa (Gaertn.) DC. polysaccharide ameliorates hyperglycemia, hyperlipemia and vascular inflammation in streptozotocin-induced diabetic mice.

J. Ethnopharmacol. 164 , 229-38, (2015)

Rehmannia glutinosa (Gaertn.) DC. (RG) has been widely used as traditional Chinese herbal medicine for treatment of diabetes and its complications. The polysaccharide fraction of RG has been proposed ...

Tibolone prevents oxidation and ameliorates cholinergic deficit induced by ozone exposure in the male rat hippocampus.

Neurochem. Res. 39(9) , 1776-86, (2014)

Oxidative stress is related to the development of central nervous system diseases involving memory processes. Cholinergic system and memory processes are disrupted by ozone exposure. In rats, ozone in...

Vegetables' juice influences polyol pathway by multiple mechanisms in favour of reducing development of oxidative stress and resultant diabetic complications.

Pharmacogn. Mag. 10(Suppl 2) , S383-91, (2014)

Hyperglycemia induced generation of free radicals and consequent development of oxidative stress by polyol pathway is one of the crucial mechanisms stirring up development of diabetic complications. W...

 Synonyms

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