3,6-Dihydroxypyridazine cas no:123-33-1
Synonyms: 3,6-Pyridazinediol; Maleic acid hydrazide; Maleic hydrazide,(3,6-Dihydroxypyridazine; 3,6-Pyridazinediol); 1,2-dihydropyridazine-3,6-dione; Maleic Hydrazine; 1,2-Dihydropyridazin-3,6-dion; Maleic hydrazide; cis-Butenedioic acid hydrazide; 1,2-Dihydro-3,6-pyridazinedione
Name3,6-Dihydroxypyridazine
CAS123-33-1
Synonyms3,6-Pyridazinediol; Maleic acid hydrazide; Maleic hydrazide,(3,6-Dihydroxypyridazine; 3,6-Pyridazinediol); 1,2-dihydropyridazine-3,6-dione; Maleic Hydrazine; 1,2-Dihydropyridazin-3,6-dion; Maleic hydrazide; cis-Butenedioic acid hydrazide; 1,2-Dihydro-3,6-pyridazinedione
EINECS(EC#)204-619-9
Molecular FormulaC4H4N2O2
Molecular Weight112.09
Appearancewhite cystals
refractive index1.649
storage temp0-6°C
Hazard Xn:Harmful
Risk R36/37/38;R40
HS Code 29339990
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- UR5950000
- CHEMICAL NAME :
- 3,6-Pyridazinedione, 1,2-dihydro-
- CAS REGISTRY NUMBER :
- 123-33-1
- LAST UPDATED :
- 199701
- DATA ITEMS CITED :
- 38
- MOLECULAR FORMULA :
- C4-H4-N2-O2
- MOLECULAR WEIGHT :
- 112.10
- WISWESSER LINE NOTATION :
- T6VMMVJ
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 :
- 3800 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LC50 - Lethal concentration, 50 percent kill
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- >20 gm/m3
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- >4 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Bird - quail
- DOSE/DURATION :
- >10 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Bird - duck
- DOSE/DURATION :
- >10 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 2 gm/kg/4W-I
- TOXIC EFFECTS :
- Endocrine - changes in thymus weight
Immunological Including Allergic - increase in humoral immune response
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 2600 mg/kg/65W-I
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria
Liver - tumors
Tumorigenic - tumors at site of application
- TYPE OF TEST :
- Specific locus test
- TYPE OF TEST :
- Cytogenetic analysis
- TYPE OF TEST :
- Sex chromosome loss and nondisjunction
- TYPE OF TEST :
- Cytogenetic analysis
- TYPE OF TEST :
- Cytogenetic analysis
- TYPE OF TEST :
- Cytogenetic analysis
MUTATION DATA
- TYPE OF TEST :
- Sister chromatid exchange
- TEST SYSTEM :
- Rodent - hamster Ovary
- DOSE/DURATION :
- 100 ug/L
- REFERENCE :
- ENMUDM Environmental Mutagenesis. (New York, NY) V.1-9, 1979-87. For
publisher information, see EMMUEG. Volume(issue)/page/year: 7,1,1985
*** REVIEWS ***
IARC Cancer Review:Animal Inadequate Evidence
IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals
to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210)
V.1- 1972- Volume(issue)/page/year: 4,173,1974
IARC Cancer Review:Human No Adequate Data
IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals
to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210)
V.1- 1972- Volume(issue)/page/year: 4,173,1974
IARC Cancer Review:Group 3
IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49
Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year:
7,56,1987
*** U.S. STANDARDS AND REGULATIONS ***
EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION
FEREAC Federal Register. (U.S. Government Printing Office, Supt. of
Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year:
54,7740,1989
*** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***
NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
NOHS - National Occupational Hazard Survey (1974)
NOHS Hazard Code - 84780
No. of Facilities: 21 (estimated)
No. of Industries: 1
No. of Occupations: 1
No. of Employees: 124 (estimated)
NOES - National Occupational Exposure Survey (1983)
NOES Hazard Code - 84780
No. of Facilities: 4 (estimated)
No. of Industries: 1
No. of Occupations: 16
No. of Employees: 1440 (estimated)
