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122-66-7

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Identification

Name
1,2-Diphenylhydrazine
CAS
122-66-7
Synonyms
1,2-DIPHENYLDIAZANE
1,2-DIPHENYLHYDRAZINE
HYDRAZOBENZENE
SYM-DIPHENYLHYDRAZINE
1,1’-hydrazobis-benzen
1,1’-hydrazodibenzene
1,2-diphenyl-hydrazin
Benzene, 1,1'-hydrazobis-
Benzene, hydrazodi-
hydrazine,1,2-diphenyl-
Hydrazobenzen
hydrazobenzen(czech)
hydrazobenzene(1,2-diphenylhydrazine)
hydrazodi-benzen
Hydrazodibenzene
Hydroazobenzene
n,n’-bianiline
N,N’-biphenylhydrazine
N,N'-Bianiline
NCI-C01854
EINECS(EC#)
204-563-5
Molecular Formula
C12H12N2
MDL Number
MFCD00003012
Molecular Weight
184.24
MOL File
122-66-7.mol

Chemical Properties

Appearance
yellow crystalline powder
mp 
123-126 °C(lit.)

density 
1,158 g/cm3
storage temp. 
Refrigerator
Stability:
Stable. Incompatible with strong oxidizing agents, strong acids.
CAS DataBase Reference
122-66-7(CAS DataBase Reference)
NIST Chemistry Reference
Hydrazine, 1,2-diphenyl-(122-66-7)

Safety Data

Hazard Codes 
T,N
Risk Statements 
R45:May cause cancer.
R22:Harmful if swallowed.
R50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
Safety Statements 
S53:Avoid exposure-obtain special instruction before use .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S60:This material and/or its container must be disposed of as hazardous waste .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
RIDADR 
UN 3077 9/PG 3

WGK Germany 
3

RTECS 
MW2625000


10-23
HazardClass 
6.1
PackingGroup 
III
HS Code 
29280000
Hazardous Substances Data
122-66-7(Hazardous Substances Data)

Raw materials And Preparation Products

Raw materials
ZINC-->Silicon
Preparation Products
Benzidine-->Pigment Yellow 12 -->disperse Yellow RGFL-->Phenylbutazone

Hazard Information

General Description
Orange powder or a bright orange crystalline solid.
Reactivity Profile
1,2-DIPHENYLHYDRAZINE is a mild reducing agent. Incompatible with strong oxidizing agents, strong acids, acid chlorides and acid anhydrides. Interaction with perchloryl fluoride in the presence of a dilutent below 32°F has caused separation of explosive solids. Is readily oxidized by nitric acid, silver nitrate or permanganate. Is reduced under alkaline conditions .
Air & Water Reactions
This chemical oxidizes in air. 1,2-DIPHENYLHYDRAZINE(122-66-7) decomposes in acid solutions. Insoluble in water.
Fire Hazard
Flash point data for this chemical are not available; however, 1,2-DIPHENYLHYDRAZINE is probably combustible.

Material Safety Data Sheet(MSDS)

Spectrum Detail

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