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Substance Name: 1,1-Dimethylhydrazine
RN: 57-14-7
UNII: 4WPQ90N53J
InChIKey: RHUYHJGZWVXEHW-UHFFFAOYSA-N
Molecular Formula
- C2-H8-N2
Molecular Weight
- 60.0992
- All
- Classifications
- Links to Resources
- Names & Synonyms
- Registry Numbers
- Structure Descriptors
- Toxicity
- Physical Properties
Classification Codes
Classification Codes
- Mutation Data
- Reproductive Effect
- Tumor Data
Superlist Classification Codes
- Overall Carcinogenic Evaluation: Group 2B
- Reasonably Anticipated to be a Carcinogen
- Reportable Quantity (RQ) = 10 lb
- Threshold Planning Quantity (TPQ) = 1000 lb
- TWA (0.01 ppm); skin; Confirmed animal carcinogen with unknown relevance to humans
- TWA 0.5 ppm (1 mg/m3); skin
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Names and Synonyms
Name of Substance
- 1,1-Dimethylhydrazine
- Dimazine
Synonyms
- 1,1-Dimethylhydrazin
- 1,1-Dimethylhydrazin [German]
- 1,1-Dimethylhydrazine
- 4-04-00-03322 (Beilstein Handbook Reference)
- as-Dimethyl hydrazine
- asymmetric Dimethylhydrazine
- asymmetric-Dimethylhydrazine
- BRN 0605261
- CCRIS 258
- Dimazine
- Dimethylhydrazine unsymmetrical
- Dimethylhydrazine, unsym.
- EC 200-316-0
- EINECS 200-316-0
- gem-Dimethylhydrazine
- HSDB 528
- Hydrazine, 1,1-dimethyl-
- Hydrazine, N,N-dimethyl-
- N,N-Dimethylhydrazine
- N,N-Dimetilidrazina
- N,N-Dimetilidrazina [Italian]
- Niesymetryczna dwu metylohydrazyna
- Niesymetryczna dwu metylohydrazyna [Polish]
- NSC 60517
- RCRA waste number U098
- u-Dimethylhydrazine
- UDMH
- UNII-4WPQ90N53J
- uns-Dimethylhydrazine
- Unsymmetrical dimethylhydrazine
- unsymmetrical-Dimethylhydrazine
Systematic Names
- 1,1-Dimethylhydrazine
- Hydrazine, 1,1-dimethyl-
- N,N-Dimethylhydrazine
Superlist Names
- 1,1-Dimethyl hydrazine
- 1,1-Dimethylhydrazine
- Dimethylhydrazine, unsymmetrical
- Dimethylhydrazine, unsymmetrical [UN1163] [Poison]
- Hydrazine, 1,1-dimethyl-
- RCRA waste no. U098
- UDMH
- UN1163
Registry Numbers
CAS Registry Number
- 57-14-7
FDA UNII
- 4WPQ90N53J
Other Registry Number
- 88733-28-2
Related Registry Numbers
- 55484-54-3 (di-hydrochloride)
- 593-82-8 (hydrochloride)
System Generated Number
- 0000057147
Structure Descriptors
InChI
InChI=1S/C2H8N2/c1-4(2)3/h3H2,1-2H3InChIKey
RHUYHJGZWVXEHW-UHFFFAOYSA-NSmiles
CN(C)Toxicity
Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
---|---|---|---|---|---|
cat | LDLo | intraperitoneal | 30mg/kg (30mg/kg) | LUNGS, THORAX, OR RESPIRATION: CYANOSIS VASCULAR: REGIONAL OR GENERAL ARTERIOLAR OR VENOUS DILATION BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) | European Journal of Toxicology and Environmental Hygiene. Vol. 7, Pg. 238, 1974. |
dog | LC50 | inhalation | 3580ppm/15M (3580ppm) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA" BEHAVIORAL: TREMOR | American Industrial Hygiene Association Journal. Vol. 24, Pg. 137, 1963. |
dog | LD50 | intraperitoneal | 60mg/kg (60mg/kg) | LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD GASTROINTESTINAL: NAUSEA OR VOMITING | National Technical Information Service. Vol. AD292-689, |
dog | LD50 | intravenous | 60mg/kg (60mg/kg) | Medycyna Pracy. Industrial Medicine. Vol. 24, Pg. 71, 1973. | |
dog | LDLo | skin | 301mg/kg (301mg/kg) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD | Toxicology and Applied Pharmacology. Vol. 18, Pg. 649, 1971. |
guinea pig | LC50 | inhalation | 100mg/m3/4H (100mg/m3) | Toksikologicheskii Vestnik. Vol. (6), Pg. 39, 1999. | |
guinea pig | LD50 | skin | 1329mg/kg (1329mg/kg) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD | U.S. Army Chemical Warfare Laboratories. Vol. CWL, |
hamster | LC50 | inhalation | 392ppm/4H (392ppm) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD | AMA Archives of Industrial Health. Vol. 12, Pg. 609, 1955. |
hamster | LD50 | subcutaneous | 325mg/kg (325mg/kg) | Cancer Letters Vol. 35, Pg. 303, 1987. | |
human | TDLo | unreported | 10mg/kg (10mg/kg) | LIVER: LIVER FUNCTION TESTS IMPAIRED BEHAVIORAL: HEADACHE LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES | "Spravochnik po Toksikologii i Gigienicheskim Normativam Vol. -, Pg. 71, 1999. |
monkey | LD50 | intraperitoneal | 60mg/kg (60mg/kg) | GASTROINTESTINAL: NAUSEA OR VOMITING BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD | National Technical Information Service. Vol. AD292-689, |
mouse | LC50 | inhalation | 172ppm/4H (172ppm) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD SENSE ORGANS AND SPECIAL SENSES: OTHER: EYE LUNGS, THORAX, OR RESPIRATION: DYSPNEA | AMA Archives of Industrial Health. Vol. 12, Pg. 609, 1955. |
mouse | LD50 | intraperitoneal | 113mg/kg (113mg/kg) | SKIN AND APPENDAGES (SKIN): HAIR: OTHER BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD SENSE ORGANS AND SPECIAL SENSES: MIOSIS (PUPILLARY CONSTRICTION): EYE | Proceedings of the Society for Experimental Biology and Medicine. Vol. 124, Pg. 172, 1967. |
mouse | LD50 | intravenous | 250mg/kg (250mg/kg) | Medycyna Pracy. Industrial Medicine. Vol. 24, Pg. 71, 1973. | |
mouse | LD50 | oral | 155mg/kg (155mg/kg) | BRAIN AND COVERINGS: RECORDINGS FROM SPECIFIC AREAS OF CNS KIDNEY, URETER, AND BLADDER: "CHANGES IN TUBULES (INCLUDING ACUTE RENAL FAILURE, ACUTE TUBULAR NECROSIS)" BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD | "Spravochnik po Toksikologii i Gigienicheskim Normativam Vol. -, Pg. 71, 1999. |
rabbit | LD50 | skin | 1060mg/kg (1060mg/kg) | "Documentation of the Threshold Limit Values and Biological Exposure Indices," 5th ed., Cincinnati, OH, American Conference of Governmental Industrial Hygienists, Inc., 1986Vol. 5, Pg. 210.1(89), 1986. | |
rat | LC50 | inhalation | 252ppm/4H (252ppm) | SENSE ORGANS AND SPECIAL SENSES: OTHER: EYE BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD LUNGS, THORAX, OR RESPIRATION: DYSPNEA | AMA Archives of Industrial Health. Vol. 12, Pg. 609, 1955. |
rat | LD50 | intraperitoneal | 102mg/kg (102mg/kg) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD | Toxicology and Applied Pharmacology. Vol. 6, Pg. 371, 1964. |
rat | LD50 | intravenous | 119mg/kg (119mg/kg) | Medycyna Pracy. Industrial Medicine. Vol. 24, Pg. 71, 1973. | |
rat | LD50 | oral | 122mg/kg (122mg/kg) | Medycyna Pracy. Industrial Medicine. Vol. 24, Pg. 71, 1973. | |
rat | LD50 | skin | 770mg/kg (770mg/kg) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD BLOOD: CHANGES IN BONE MARROW NOT INCLUDED ABOVE BRAIN AND COVERINGS: RECORDINGS FROM SPECIFIC AREAS OF CNS | "Spravochnik po Toksikologii i Gigienicheskim Normativam Vol. -, Pg. 71, 1999. |
rat | LDLo | intracrebral | 27mg/kg (27mg/kg) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD | Biochemical Pharmacology. Vol. 14, Pg. 1901, 1965. |
Physical Properties
Physical Property | Value | Units | Temp (deg C) | Source |
---|---|---|---|---|
Melting Point | -5.80E+01 | deg C | EXP | |
Boiling Point | 63.9 | deg C | EXP | |
pKa Dissociation Constant | 7.21 | (none) | 25 | EXP |
log P (octanol-water) | -1.190 | (none) | EST | |
Water Solubility | 1.00E+06 | mg/L | EXP | |
Vapor Pressure | 157 | mm Hg | 25 | EXP |
Henry's Law Constant | 1.24E-05 | atm-m3/mole | 25 | EST |
Atmospheric OH Rate Constant | 2.53E-12 | cm3/molecule-sec | 25 | EST |
Physical property data is provided to ChemIDplus by SRC, Inc.