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83-34-1

Name 3-Methylindole
CAS 83-34-1
EINECS(EC#) 201-471-7
Molecular Formula C9H9N
MDL Number MFCD00005627
Molecular Weight 131.17
MOL File 83-34-1.mol

Chemical Properties

Appearance slightly brown platelets
Melting point  92-97 °C (lit.)
Boiling point  265-266 °C (lit.)
density  1.0111 (estimate)
FEMA  3019
refractive index  1.6070 (estimate)
Fp  132 °C
storage temp.  Store below +30°C.
solubility  Chloroform (Slightly), Methanol (Slightly)
form  Crystalline Powder or Flakes
pka 17.30±0.30(Predicted)
color  Almost white to pale brown
Odor indole-like odor
Stability: Stable, but light-sensistive. Stench! Incompatible with strong oxidizing agents, strong acids, acid ahydrides, acid chlorides. Combustible.
Odor Threshold 0.0000056ppm
Odor Type animal
Water Solubility  Soluble in water, Ether, Alcohols, Benzene, Acetone, Chloroform.
Sensitive  Light Sensitive
Usage A highly fluorescent guanosine analogue, which in a dimethoxytrityl, phosphoramidite protected form, can be site-specifically inserted into oligonucleotides through a 3?5?phosphodiester linkage using an automated DNA synthesizer
Detection Methods HPLC,NMR
JECFA Number 1304
Merck  14,8560
BRN  111296
InChIKey ZFRKQXVRDFCRJG-UHFFFAOYSA-N
LogP 2.60
CAS DataBase Reference 83-34-1(CAS DataBase Reference)
NIST Chemistry Reference 1H-Indole, 3-methyl-(83-34-1)
Storage Precautions Light sensitive
EPA Substance Registry System 83-34-1(EPA Substance)

Safety Data

Hazard Codes  Xi
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
RIDADR  UN3077 - class 9 - PG 3 - DOT/IATA UN3335 - Environmentally hazardous substances, solid, n.o.s., HI: all (not BR)
WGK Germany  2
RTECS  NM0350000
8-13
TSCA  Yes
HS Code  29339920
Safety Profile
Poison by ingestion, intravenous, and intraperitoneal routes. Moderately toxic by subcutaneous route. When heated to decomposition it emits toxic fumes of NOx.
Hazardous Substances Data 83-34-1(Hazardous Substances Data)
Toxicity
MLD in frogs (mg/kg): 1000 s.c. (Bin-Ichi)

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Hazard Information

Material Safety Data Sheet(MSDS)

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