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Phenylhydrazine

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Phenylhydrazine

EINECS 202-873-5
CAS No. 100-63-0 Density 1.125 g/cm3
Solubility 145 g/L (20 °C) in water Melting Point 19 °C
Formula C6H8N2 Boiling Point 243 °C at 760 mmHg
Molecular Weight 108.14 . Flash Point 115.4 °C
Transport Information UN 2572 6.1/PG 2 Appearance colourless to pale yellow liquid
Safety 53-45-61 Risk Codes 45-23/24/25-36/38-43-48-50-68
Molecular Structure Molecular Structure of 100-63-0 (Phenylhydrazine) Hazard Symbols ToxicT,DangerousN
Synonyms

Hydrazinobenzene;Monophenylhydrazine;AI3-15399;BRN 0606080;CCRIS 511;Fenilidrazina;Fenilidrazina [Italian];Fenylhydrazine;Fenylhydrazine [Dutch];HSDB 1117;Hydrazine, phenyl-;Hydrazine-benzene;Hydrazobenzene;Phenylhydrazin [German];Phenylhydrazine [UN2572] [Poison];Phenylhydrazine and its salts;UN2572;

 

Phenylhydrazine Chemical Properties

IUPAC Name: Phenylhydrazine
Synonyms of Phenylhydrazine (CAS NO.100-63-0): 4-15-00-00050 (Beilstein Handbook Reference) ; AI3-15399 ; BRN 0606080 ; CCRIS 511 ; EINECS 202-873-5 ; Fenilidrazina ; Fenilidrazina [Italian] ; Fenylhydrazine ; Fenylhydrazine [Dutch] ; HSDB 1117 ; Hydrazine, phenyl- ; Hydrazine-benzene ; Hydrazinobenzene ; Hydrazobenzene ; Monophenylhydrazine ; Phenylhydrazin ; Phenylhydrazin [German] ; Phenylhydrazine [UN2572] [Poison] ; Phenylhydrazine and its salts ; UN2572
CAS NO: 100-63-0
Classification Code: Mutation data ; Noxae ; Oxidants ; Reproductive Effect ; Tumor data
Molecular Formula: C6H8N2
Molecular Weight: 108.1411
Molecular Structure:

Melting Point: 19 °C 
Polar Surface Area: 6.48 Å2
Index of Refraction: 1.643
Molar Refractivity: 34.76 cm3
Molar Volume: 96 cm3
Surface Tension: 49.9 dyne/cm
Density: 1.125 g/cm3
Flash Point: 115.4 °C
Enthalpy of Vaporization: 48 kJ/mol
Boiling Point: 243 °C at 760 mmHg
Vapour Pressure: 0.0329 mmHg at 25°C

Phenylhydrazine Uses

 Phenylhydrazine (CAS NO.100-63-0) is mainly used to produce dyes, pharmaceuticals, reagents,etc.

Phenylhydrazine Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
dog LDLo intravenous 120mg/kg (120mg/kg)   U.S. Public Health Service, Public Health Bulletin. Vol. 271, Pg. 159, 1941.
dog LDLo oral 200mg/kg (200mg/kg)   U.S. Public Health Service, Public Health Bulletin. Vol. 271, Pg. 159, 1941.
frog LDLo unreported 300mg/kg (300mg/kg)   U.S. Public Health Service, Public Health Bulletin. Vol. 271, Pg. 159, 1941.
guinea pig LD50 oral 80mg/kg (80mg/kg) BEHAVIORAL: EXCITEMENT

BEHAVIORAL: MUSCLE CONTRACTION OR SPASTICITY)
Hygiene and Sanitation Vol. 30(7-9), Pg. 191, 1965.
mouse LC50 inhalation 2120mg/m3 (2120mg/m3)   Trudy Leningradskogo Sanitarno-Gigienicheskogo Meditsinskogo Instituta. Vol. 115, Pg. 59, 1977.
mouse LD50 intraperitoneal 170mg/kg (170mg/kg)   Cancer Research. Vol. 41, Pg. 1469, 1981.
mouse LD50 oral 175mg/kg (175mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY)
Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 30(8), Pg. 21, 1965.
mouse LDLo subcutaneous 170mg/kg (170mg/kg) LUNGS, THORAX, OR RESPIRATION: DYSPNEA

LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES

LUNGS, THORAX, OR RESPIRATION: CYANOSIS
Journal of Industrial Hygiene and Toxicology. Vol. 18, Pg. 1, 1936.
rabbit LD50 oral 80mg/kg (80mg/kg) BEHAVIORAL: EXCITEMENT

BEHAVIORAL: MUSCLE CONTRACTION OR SPASTICITY)
Hygiene and Sanitation Vol. 30(7-9), Pg. 191, 1965.
rabbit LDLo skin 90mg/kg (90mg/kg) LUNGS, THORAX, OR RESPIRATION: CYANOSIS

LUNGS, THORAX, OR RESPIRATION: RESPIRATORY STIMULATION

KIDNEY, URETER, AND BLADDER: HEMATURIA
National Technical Information Service. Vol. OTS0546542,
rat LC50 inhalation 2610mg/m3 (2610mg/m3)   Trudy Leningradskogo Sanitarno-Gigienicheskogo Meditsinskogo Instituta. Vol. 115, Pg. 59, 1977.
rat LD50 oral 188mg/kg (188mg/kg) BEHAVIORAL: EXCITEMENT

BEHAVIORAL: MUSCLE CONTRACTION OR SPASTICITY)
Hygiene and Sanitation Vol. 30(7-9), Pg. 191, 1965.

Phenylhydrazine Consensus Reports

Reported in EPA TSCA Inventory.

Phenylhydrazine Safety Profile

Hazard Codes of Phenylhydrazine (CAS NO.100-63-0): ToxicT,DangerousN
Risk Statements: 45-23/24/25-36/38-43-48-50-68 
R45: May cause cancer. 
R23/24/25: Toxic by inhalation, in contact with skin and if swallowed. 
R36/38: Irritating to eyes and skin. 
R43: May cause sensitization by skin contact. 
R48: Danger of serious damage to health by prolonged exposure. 
R50: Very toxic to aquatic organisms. 
R68: Possible risk of irreversible effects.
Safety Statements: 53-45-61 
S53: Avoid exposure - obtain special instructions before use. 
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 
S61: Avoid release to the environment. Refer to special instructions / safety data sheets.
RIDADR: UN 2572 6.1/PG 2
WGK Germany: 3
RTECS: MV8925000
F: 8-10-23
HazardClass: 6.1
PackingGroup: II
Confirmed carcinogen with experimental carcinogenic data. Poison by ingestion, subcutaneous, and intravenous routes. Experimental reproductive effects. Mutation data reported. Ingestion or subcutaneous injection can cause hemolysis of red blood cells. Other effects are damage to the spleen, liver, kidneys, and bone marrow. The most common effect of occupational exposure is the development of dermatitis, which, in sensitized persons, may be quite severe. Systemic effects include anemia and general weakness, gastrointestinal disturbances, and injury to the kidneys. Flammable when exposed to heat, flame, or oxidizers. To fight fire, use alcohol foam. Violent reaction with 2-phenylamino-3-phenyloxazirane. Reacts with perchloryl fluoride to form an explosive product. Vigorous reaction with lead(IV) oxide. Used as a chemical reagent, in organic synthesis, and in the manufacture of dyes and drugs. Dangerous; when heated to decomposition it emits highly toxic fumes of NOx; can react with oxidizing materials.

Phenylhydrazine Standards and Recommendations

OSHA PEL: TWA 5 ppm (skin); STEL 10 ppm
ACGIH TLV: TWA 0.1 ppm (skin); Animal Carcinogen
DFG MAK: Confirmed Animal Carcinogen with Unknown Relevance to Humans
NIOSH REL: CL 0.6 mg/m3/2H
DOT Classification:  6.1; Label: Poison

Phenylhydrazine Analytical Methods

For occupational chemical analysis use NIOSH: Phenyl Hydrazine, S160.

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