99-98-9

Name N,N-Dimethyl-1,4-phenylenediamine
CAS 99-98-9
EINECS(EC#) 202-807-5
Molecular Formula C8H12N2
MDL Number MFCD00007860
Molecular Weight 136.19
MOL File 99-98-9.mol

Chemical Properties

Appearance grey to black solid
Melting point  34-36 °C(lit.)
Boiling point  262 °C(lit.)
density  1.09
refractive index  1.5914 (estimate)
Fp  130 °C
storage temp.  2-8°C
solubility  Chloroform (Slightly), Methanol (Slightly), Water (Slightly)
form  crystalline
pka 6?+-.0.12(Predicted)
color  black
Stability: Stable. Incompatible with acid chlorides, acid anhydrides, strong acids, strong oxidizing agents. Combustible.
Water Solubility  11 g/L (20 ºC)
Sensitive  Light Sensitive
Merck  14,3254
BRN  508105
Cosmetics Ingredients Functions HAIR DYEING
InChI 1S/C8H12N2/c1-10(2)8-5-3-7(9)4-6-8/h3-6H,9H2,1-2H3
InChIKey BZORFPDSXLZWJF-UHFFFAOYSA-N
SMILES CN(C)c1ccc(N)cc1
CAS DataBase Reference 99-98-9(CAS DataBase Reference)
NIST Chemistry Reference 1,4-Benzenediamine, N,N-dimethyl-(99-98-9)
Storage Precautions Air sensitive;Light sensitive
EPA Substance Registry System 99-98-9(EPA Substance)

Safety Data

Symbol(GHS)  Skull and Crossbones (GHS06)
GHS06
Signal word  Danger
Hazard statements  H300+H310-H331
Precautionary statements  P262-P264-P280-P301+P310-P302+P352+P310-P304+P340+P311
Hazard Codes  T
Risk Statements 
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed .
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S28:After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer) .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
RIDADR  UN 2811 6.1/PG 2
WGK Germany  3
RTECS  ST0874000
F  8-10-23
Hazard Note  Toxic/Keep Cold
TSCA  Yes
HazardClass  6.1
PackingGroup  II
HS Code  29215900
Storage Class 6.1A - Combustible acute toxic Cat. 1 and 2
very toxic hazardous materials
Hazard Classifications Acute Tox. 1 Dermal
Acute Tox. 2 Oral
Acute Tox. 3 Inhalation
Hazardous Substances Data 99-98-9(Hazardous Substances Data)

Hazard Information

Material Safety Data Sheet(MSDS)

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