GHS Classification Result
PHYSICAL HAZARDS
HEALTH HAZARDS
ENVIRONMENTAL HAZARDS
NOTE:
Reference：
Chemical Name：Hydrazine
CAS：302-01-2
Result：
| ID: | 56 |
| Classifier: | Inter-ministerial Committee on GHS |
| Year Classified: | FY2006 |
| Reference Manual: | GHS Classification Manual （10 Feb, 2006） |
PHYSICAL HAZARDS
| Hazard class | Classification | Symbol | Signal word | Hazard statement | Precautionary statement | Rationale for the classification | |
|---|---|---|---|---|---|---|---|
| 1 | Explosives | Not classified | - | - | - | - | Classification not possible, because of lack of data (though the substance contains chemical groups associated with explosive properties that contain nitrogen but lack oxygen). Classified into Class 3, Division 6.1 and Class 8 (UN Recommendations on the Transport of Dangerous Goods, UN#2029) |
| 2 | Flammable gases （including chemically unstable gases） | Not applicable | - | - | - | - | Classified as "liquid" according to GHS definition |
| 3 | Aerosols | Not applicable | - | - | - | - | Not aerosol products |
| 4 | Oxidizing gases | Not applicable | - | - | - | - | Classified as "liquid" according to GHS definition |
| 5 | Gases under pressure | Not applicable | - | - | - | - | Classified as "liquid" according to GHS definition |
| 6 | Flammable liquids | Category 3 |
|
Warning | H226: Flammable liquid and vapour |
P303+P361+P353: IF ON SKIN （or hair）: Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. P370+P378: In case of fire: Use ... for extinction. P403+P235: Store in a well-ventilated place. Keep cool. P210: Keep away from heat/sparks/open flames/hot surfaces. - No smoking. P233: Keep container tightly closed. P240: Ground/bond container and receiving equipment. P241: Use explosion-proof electrical/ventilating/lighting/.../equipment. P242: Use only non-sparking tools. P243: Take precautionary measures against static discharge. P280: Wear protective gloves/protective clothing/eye protection/face protection. P501: Dispose of contents/container to ... |
The flash point is 38degC (c.c.) (ICSC, 1999), which is classified into Category 3. Classified into Class 3, Division 6.1 and Class 8 (UN#2029) (UN Recommendations on the Transport of Dangerous Goods) |
| 7 | Flammable solids | Not applicable | - | - | - | - | Classified as "liquid" according to GHS definition |
| 8 | Self-reactive substances and mixtures | Not classified | - | - | - | - | The substance contains nitrogen atoms adjacent to each other. Classified into Class 3, Division 6.1 and Class 8 (UN Recommendations on the Transport of Dangerous Goods, UN#2029) |
| 9 | Pyrophoric liquids | Classification not possible | - | - | - | - | Classification not possible, due to lack of data, though the substance is considered "pyrophoric" under certain conditions, with its flash point ranging from 24degC (rusty iron surface) to 270degC (glass surface). |
| 10 | Pyrophoric solids | Not applicable | - | - | - | - | Classified as "liquid" according to GHS definition |
| 11 | Self-heating substances and mixtures | Classification not possible | - | - | - | - | Test methods applicable to liquid substances are not available |
| 12 | Substances and mixtures which, in contact with water, emit flammable gases | Not applicable | - | - | - | - | Containing no metals or metalloids (B, Si, P, Ge, As, Se, Sn, Sb, Te, Bi, Po, At) |
| 13 | Oxidizing liquids | Not applicable | - | - | - | - | Inorganic compounds containing no oxygen and halogen |
| 14 | Oxidizing solids | Not applicable | - | - | - | - | Classified as "liquid" according to GHS definition |
| 15 | Organic peroxides | Not applicable | - | - | - | - | Not organic compounds |
| 16 | Corrosive to metals | Classification not possible | - | - | - | - | No data available. Corrosivity to metals remains uncertain, though classified as "corrosive substances" (as the classification based on UN Recommendations on the Transport of Dangerous Goods includes "skin corrosivity") (UN#2029). |
| Hazard class | Classification | Symbol | Signal word | Hazard statement | Precautionary statement | Rationale for the classification | |
|---|---|---|---|---|---|---|---|
| 1 | Acute toxicity （Oral） | Category 3 |
|
Danger | H301: Toxic if swallowed |
P301+P310: IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P264: Wash ... thoroughly after handling. P270: Do not eat, drink or smoke when using this product. P321: Specific treatment （see ... on this label）. P330: Rinse mouth. P405: Store locked up. P501: Dispose of contents/container to ... |
Based on the rat LD50 (oral route) of 60 mg/kg (DFGOT vol.1 (1989)). |
| 1 | Acute toxicity （Dermal） | Category 2 |
|
Danger | H310: Fatal in contact with skin |
P302+P350: IF ON SKIN: Gently wash with plenty of soap and water. P262: Do not get in eyes, on skin, or on clothing. P264: Wash ... thoroughly after handling. P270: Do not eat, drink or smoke when using this product. P280: Wear protective gloves/protective clothing/eye protection/face protection. P310: Immediately call a POISON CENTER or doctor/physician. P322: Specific treatment （see ... on this label）. P361: Remove/Take off immediately all contaminated clothing. P363: Wash contaminated clothing before reuse. P405: Store locked up. P501: Dispose of contents/container to ... |
Based on the testing data of rabbit LD50 (dermal route) of 91 mg/kg (IUCLID (2000)). |
| 1 | Acute toxicity （Inhalation: Gases） | Not applicable | - | - | - | - | Due to the fact that the substance is "liquid" according to the GHS definition. |
| 1 | Acute toxicity （Inhalation: Vapours） | Category 3 |
|
Danger | H331: Toxic if inhaled |
P304+P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. P403+P233: Store in a well-ventilated place. Keep container tightly closed. P261: Avoid breathing dust/fume/gas/mist/vapours/spray. P271: Use only outdoors or in a well-ventilated area. P311: Call a POISON CENTER or doctor/physician. P321: Specific treatment （see ... on this label）. P405: Store locked up. P501: Dispose of contents/container to ... |
Based on the rat LC50 (4 hours) value of 570ppm, calculated from the testing data of rat LC50 (inhalation of vapour) of 0.75 mg/L (4 hours) (DFGOT vol.1 (1989)), was lower than 90% of the saturated vapor concentration (21,000ppm) under a saturated vapour pressure of 2.1kPa (20degC) (CERI Hazard Data 97-15 (1998)), the substance was considered as "vapour containing substantially no mist" and was classified based on standard values expressed in ppm. |
| 1 | Acute toxicity （Inhalation: Dusts and mists） | Classification not possible | - | - | - | - | No data available |
| 2 | Skin corrosion/irritation | Category 1A-1C |
|
Danger | H314: Causes severe skin burns and eye damage |
P301+P330+P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303+P361+P353: IF ON SKIN （or hair）: Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P304+P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. P260: Do not breathe dust/fume/gas/mist/vapours/spray. P264: Wash ... thoroughly after handling. P280: Wear protective gloves/protective clothing/eye protection/face protection. P310: Immediately call a POISON CENTER or doctor/physician. P321: Specific treatment （see ... on this label）. P363: Wash contaminated clothing before reuse. P405: Store locked up. P501: Dispose of contents/container to ... |
Due to lack of data for subclassification, though the results of rabbit skin irritation tests suggest irritating reaction, with fatal cases reported in some subjects, although the substance should be placed in Category 1A from the viewpoint of safety. |
| 3 | Serious eye damage/eye irritation | Category 1 |
|
Danger | H318: Causes serious eye damage |
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P280: Wear protective gloves/protective clothing/eye protection/face protection. P310: Immediately call a POISON CENTER or doctor/physician. |
Based on the evidence of "severe irritation" from rabbit eye irritation tests. |
| 4 | Respiratory sensitization | Classification not possible | - | - | - | - | No data available |
| 4 | Skin sensitization | Category 1 |
|
Warning | H317: May cause an allergic skin reaction |
P302+P352: IF ON SKIN: Wash with plenty of soap and water. P333+P313: If skin irritation or rash occurs: Get medical advice/attention. P261: Avoid breathing dust/fume/gas/mist/vapours/spray. P272: Contaminated work clothing should not be allowed out of the workplace. P280: Wear protective gloves/protective clothing/eye protection/face protection. P321: Specific treatment （see ... on this label）. P363: Wash contaminated clothing before reuse. P501: Dispose of contents/container to ... |
Based on the classification by the Japan Society for Occupational Health (2004). |
| 5 | Germ cell mutagenicity | Category 2 |
|
Warning | H341: Suspected of causing genetic defects |
P308+P313: IF exposed or concerned: Get medical advice/attention. P201: Obtain special instructions before use. P202: Do not handle until all safety precautions have been read and understood. P281: Use personal protective equipment as required. P405: Store locked up. P501: Dispose of contents/container to ... |
Based on negative data on multi-generation mutagenicity tests (dominant lethal tests), the absence of data on germ cell mutagenicity tests in vivo, positive data on somatic cell mutagenicity tests in vivo (micronucleus tests in mouse red blood) and the absence of data on germ cell genotoxicity tests in vivo, described in CERI-NITE Hazard Assessment No.73 (2004). |
| 6 | Carcinogenicity | Category 2 |
|
Warning | H351: Suspected of causing cancer |
P308+P313: IF exposed or concerned: Get medical advice/attention. P201: Obtain special instructions before use. P202: Do not handle until all safety precautions have been read and understood. P281: Use personal protective equipment as required. P405: Store locked up. P501: Dispose of contents/container to ... |
Due to the fact that the substance is classified as 2B by IARC (1999), Category A3 by ACGIH (2005), Category B2 by IRIS (2005) and Category R by NTP (2005). |
| 7 | Reproductive toxicity | Category 2 |
|
Warning | H361: Suspected of damaging fertility or the unborn child |
P308+P313: IF exposed or concerned: Get medical advice/attention. P201: Obtain special instructions before use. P202: Do not handle until all safety precautions have been read and understood. P281: Use personal protective equipment as required. P405: Store locked up. P501: Dispose of contents/container to ... |
Based on the description in CERI-NITE Hazard Assessment No.73 (2004): the results of mouse developmental toxicity studies suggest exencephalia in offspring at dose levels toxic to parent animals. |
| 8 | Specific target organ toxicity - Single exposure | Category 1 (nervous system, liver), Category 3 (narcotic effects) |
|
Danger Warning |
H370: Causes damage to organs (nervous system, liver) H336: May cause drowsiness or dizziness (narcotic effects) |
P307+P311: IF exposed: Call a POISON CENTER or doctor/physician. P260: Do not breathe dust/fume/gas/mist/vapours/spray. P264: Wash ... thoroughly after handling. P270: Do not eat, drink or smoke when using this product. P321: Specific treatment （see ... on this label）. P405: Store locked up. P501: Dispose of contents/container to ... P304+P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. P403+P233: Store in a well-ventilated place. Keep container tightly closed. P261: Avoid breathing dust/fume/gas/mist/vapours/spray. P271: Use only outdoors or in a well-ventilated area. P312: Call a POISON CENTER or doctor/physician if you feel unwell. |
Based on the human evidence including "confusion, lethargy, restlessness," "loss of consciousness, erubescence, irregular violent behavior followed by ataxia," "nystagmus, a decrease in vibration sensation, prickling in the arm and leg," "an increase in AST/LDH/ total bilirubin levels" (EHC 68 (1987)), and "a significant increase in the oxygen value associated with liver toxicity" (CERI-NITE Hazard Assessment No.73 (2003)). |
| 9 | Specific target organ toxicity - Repeated exposure | Category 1 (liver, respiratory system, kidney, adrenal gland) |
|
Danger | H372: Cause damage to organs through prolonged or repeated exposure (liver, respiratory system, kidney, adrenal gland) |
P260: Do not breathe dust/fume/gas/mist/vapours/spray. P264: Wash ... thoroughly after handling. P270: Do not eat, drink or smoke when using this product. P314: Get medical advice/attention if you feel unwell. P501: Dispose of contents/container to ... |
Based on human evidence including "jaundice, pneumonia, an increase in creatinine concentrations, albuminuria, hematuria, hepatocellular necrosis, nephritis, renal tubule necrosis, glomerulonephritis" (CERI-NITE Hazard Assessment No.73 (2003)), "pleural effusion and shadow (pulmonary x-ray findings), an increase in blood bilirubin levels, pneumonia (observed in autopsy cases), damage to hepatocytes" (EHC 68 (1987)), and the evidence from animal studies including "bile duct hyperplasia, degeneration of the adrenal, nasal mucosal inflammation, necrosis of the nasal mucosal epithelium and scale formation, hyperplasia, squamous epithelium metaplasia" (CERI-NITE Hazard Assessment No.73 (2003)). The effects on experimental animals were observed at dosing levels within the guidance value ranges for Category 1. |
| 10 | Aspiration hazard | Classification not possible | - | - | - | - | No data available |
| Hazard class | Classification | Symbol | Signal word | Hazard statement | Precautionary statement | Rationale for the classification | |
|---|---|---|---|---|---|---|---|
| 11 | Hazardous to the aquatic environment （Acute） | Category 1 |
|
Warning | H400: Very toxic to aquatic life |
P273: Avoid release to the environment. P391: Collect spillage. P501: Dispose of contents/container to ... |
It was classified into Category 1 from 48 hours EC50=160microg/L of the crustacea (Daphnia magna) (MOE Risk Assessment vol. 1, 2002). |
| 11 | Hazardous to the aquatic environment （Long-term） | Category 1 |
|
Warning | H410: Very toxic to aquatic life with long lasting effects |
P273: Avoid release to the environment. P391: Collect spillage. P501: Dispose of contents/container to ... |
Although acute toxicity is Category 1 and bio-accumulation is low (log Kow=-2.07(PHYSPROP Database, 2005)), since there was no rapidly degrading (the decomposition by BOD: 2%(Existing Chemical Safety Inspections Data)), it was classified into Category 1. |
NOTE:
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* Classification was conducted by relevant Japanese Ministries in accordance with GHS Classification Guidance for the Japanese Government, and is intended to provide a reference for preparing GHS labelling and SDS for users. * This is a provisional English translation of classification results and is subject to revision without notice. * The responsibility for any resulting GHS labelling and SDS referenced from this site is with users. |
Reference：
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Reference Manual |
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Definitions / Abbreviations |
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Model SDS by MHLW |
MHLW Website （in Japanese Only） |