120-73-0

120-73-0 structure
120-73-0 structure

Name 9H-purine
Synonyms 7H-Purine
X 128
{Imidazo[4,5-d]pyrimidine}
imidazopyrimidine
b-Purine
1,3-Diazolo[4,5-d]-1,3-diazine
6H-Imidazo[4,5-d]pyrimidine
9H-PURINE
MFCD00079221
β-Purine
1H-Purine
Purine
Isopurine
{6H-Imidazo[4,5-d]pyrimidine}
EINECS 204-421-2
Imidazo[4,5-d]pyrimidine
Density 1.5±0.1 g/cm3
Boiling Point 424ºC at 760mmHg
Melting Point 214-217 °C(lit.)
Molecular Formula C5H4N4
Molecular Weight 120.112
Flash Point 225.4ºC
Exact Mass 120.043594
PSA 54.46000
LogP -0.37
Vapour Pressure 0.0976mmHg at 25°C
Index of Refraction 1.738
Storage condition 2-8°C
Water Solubility 400 g/L (20 ºC)

CHEMICAL IDENTIFICATION

RTECS NUMBER :
UO7450000
CHEMICAL NAME :
Purine
CAS REGISTRY NUMBER :
120-73-0
LAST UPDATED :
199504
DATA ITEMS CITED :
7
MOLECULAR FORMULA :
C5-H4-N4
MOLECULAR WEIGHT :
120.13
WISWESSER LINE NOTATION :
T56 BM DN FN HNJ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
800 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD10 - Lethal Dose
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
400 mg/kg
TOXIC EFFECTS :
Blood - changes in bone marrow (not otherwise specified)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
156 mg/kg/8W-I
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Liver - tumors

MUTATION DATA

TYPE OF TEST :
DNA damage
TEST SYSTEM :
Mammal - species unspecified Lymphocyte
DOSE/DURATION :
50 mmol/L
REFERENCE :
PNASA6 Proceedings of the National Academy of Sciences of the United States of America. (National Academy of Sciences, Printing & Pub. Office, 2101 Constitution Ave., Washington, DC 20418) V.1- 1915- Volume(issue)/page/year: 48,686,1962 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X7178 No. of Facilities: 7 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 1822 (estimated) No. of Female Employees: 272 (estimated)
Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Safety Phrases S22-S24/25
RIDADR NONH for all modes of transport
WGK Germany 3
RTECS UO7450000
HS Code 2933990090
HS Code 2933990090
Summary 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%