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Indole(CAS#120-72-9)

Chemical Property:

Molecular Formula C8H7N
Molar Mass 117.15
Density 1.22
Melting Point 51-54 °C (lit.)
Boling Point 253-254 °C (lit.)
Flash Point >230°F
JECFA Number 1301
Water Solubility 2.80 g/L (25 ºC)
Solubility methanol: 0.1g/mL, clear
Vapor Presure 0.016 hPa (25 °C)
Appearance White crystal
Color White to slightly pink
Odor fecal odor, floralin high dilution
Merck 14,4963
BRN 107693
pKa 3.17 (quoted, Sangster, 1989)
PH 5.9 (1000g/l, H2O, 20℃)
Storage Condition 2-8°C
Stability Stable, but may be light or air sensitive. Incompatible with strong oxidizing agents, iron and iron salts.
Sensitive Light Sensitive
Refractive Index 1.6300
MDL MFCD00005607
Physical and Chemical Properties White or fine powder red powder Crystal, there is a bad smell.
Use Used as a reagent for the determination of nitrite, also used in the manufacture of spices and medicines

Product Detail

Product Tags

Risk Codes R21/22 – Harmful in contact with skin and if swallowed.
R37/38 – Irritating to respiratory system and skin.
R41 – Risk of serious damage to eyes
R50/53 – Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
R36 – Irritating to the eyes
R39/23/24/25 -
R23/24/25 – Toxic by inhalation, in contact with skin and if swallowed.
R52/53 – Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Description S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39 – Wear suitable protective clothing, gloves and eye/face protection.
S60 – This material and its container must be disposed of as hazardous waste.
S61 – Avoid release to the environment. Refer to special instructions / safety data sheets.
S45 – In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S36/37 – Wear suitable protective clothing and gloves.
UN IDs UN 2811 6.1/PG 3
WGK Germany 1
RTECS NL2450000
FLUKA BRAND F CODES 8-13
TSCA Yes
HS Code 2933 99 20
Hazard Class 9
Packing Group III
Toxicity LD50 orally in rats: 1 g/kg (Smyth)

 

Introduction

It stinks in dung, but has a pleasant fragrance when diluted. It has a strong smell of dung, highly diluted solution has fragrance, and turns red when exposed to air and light. Can volatilize with water vapor. Soluble in hot water, hot ethanol, ether, benzene and petroleum ether.


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