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Indene

Description References
Indene
Indene
CAS No.
95-13-6
Chemical Name:
Indene
Synonyms
inden;ndene;INDENE;1H-INDENE;Indene,90+%;Indene tech;INDENE, 99+%;C6H4CH2CH:CH;INDENE, REAG;INDONAPHTHENE
CBNumber:
CB1377716
Molecular Formula:
C9H8
Formula Weight:
116.16
MOL File:
95-13-6.mol

Indene Properties

Melting point:
−5-−3 °C(lit.)
Boiling point:
181-182 °C(lit.)
Density 
0.996 g/mL at 25 °C(lit.)
refractive index 
n20/D 1.595(lit.)
Flash point:
138 °F
storage temp. 
2-8°C
solubility 
organic solvents: miscible
pka
20(at 25℃)
form 
Crystalline Powder
color 
White to pale yellow
Water Solubility 
INSOLUBLE
Sensitive 
Light Sensitive
Merck 
14,4939
BRN 
635873
Stability:
Stable, but air and light sensitive; may polymerize upon exposure to light. Typically contains aroung 80 - 100 ppm of p-tert-butylcatechol as inhibitor. Refrigerate. Flammable. Incompatible with strong oxidizing agents.
InChIKey
YBYIRNPNPLQARY-UHFFFAOYSA-N
CAS DataBase Reference
95-13-6(CAS DataBase Reference)
NIST Chemistry Reference
Indene(95-13-6)
EPA Substance Registry System
1H-Indene(95-13-6)
SAFETY
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  Xn
Risk Statements  10-65-36/37/38-20
Safety Statements  23-24/25-62-37/39-26
RIDADR  UN 3295 3/PG 3
WGK Germany  1
RTECS  NK8225000
8
TSCA  Yes
HazardClass  3
PackingGroup  III
Hazardous Substances Data 95-13-6(Hazardous Substances Data)
Symbol(GHS):
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H226 Flammable liquid and vapour Flammable liquids Category 3 Warning
H304 May be fatal if swallowed and enters airways Aspiration hazard Category 1 Danger
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H332 Harmful if inhaled Acute toxicity,inhalation Category 4 Warning P261, P271, P304+P340, P312
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
H370 Causes damage to organs Specific target organ toxicity, single exposure Category 1 Danger P260, P264, P270, P307+P311, P321,P405, P501
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P233 Keep container tightly closed.
P240 Ground/bond container and receiving equipment.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P331 Do NOT induce vomiting.
P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P307+P311 IF exposed: call a POISON CENTER or doctor/physician.
P370+P378 In case of fire: Use … for extinction.
P405 Store locked up.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P501 Dispose of contents/container to..…

Indene price More Price(20)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 168769 Indene 98% 95-13-6 5g $51.3 2017-11-08 Buy
Sigma-Aldrich 168769 Indene 98% 95-13-6 25g $177 2017-11-08 Buy
TCI Chemical I0016 Indene >93.0%(GC) 95-13-6 25mL $15 2017-11-08 Buy
TCI Chemical I0016 Indene >93.0%(GC) 95-13-6 100mL $30 2017-11-08 Buy
Alfa Aesar A12192 1H-Indene, 90+%, stab. with 0.01% 4-tert-butylcatechol 95-13-6 50ml $22.9 2018-11-13 Buy

Indene Chemical Properties,Uses,Production

Description

Indene (also called 1H-Indene, C9H8) is a flammable polycyclic hydrocarbon. It is a colorless and aromatic smelling liquid. It is used in the synthesis of new C60 derivative (indene-C60 Bisadduct) and to prepare polyindene by the controlled cationic polymerization initiated with cumyl methyl ether/TiCl4 in CH2Cl2.  Polyindene is further used to synthesize polyolefins. Indene is also used in the synthesis of istatins, in the production of indene/cumarone thermoplastic resins, and in the production of hydrocarbon resins. These industrial resins, also called indene-coumarone resins, are mainly consumed by the paints & coatings, rubber, and construction industries.
It should be stored in a cool place. The container should be kept tightly closed in a dry and well-ventilated place. Containers which areopened must be carefully resealed and kept upright to prevent leakage. Indene is incompatible with strong oxidizing agents. Recommended storage temperature is 2 - 8°C. Indene is sensitive to light.

References

[1] https://en.wikipedia.org/wiki/Indene
[2] https://www.alfa.com/de/catalog/L12665/
[3] Stephen F. Hahn, Marc A. Hillmyer (2003) High glass transition temperature polyolefins obtained by the catalytic hydrogenation of polyindene, 36, 71-76.

Chemical Properties

Yellow green clear liquid

General Description

A colorless liquid derived from coal tar. Fp: -2°C; bp:182°C. Density 0.997 g cm-3. Insoluble in water but soluble in organic solvents.

Reactivity Profile

Indene is combustible (flash point between 140°F and 200°F). Polymerizes and oxidizes on standing in the air. This reaction is accelerated by heating, acids, and catalysts, including peroxides. Has exploded during nitration with a mixture of H2SO4 and HNO3.

Purification Methods

Shake indene with 6M HCl for 24hours (to remove basic nitrogenous material), then reflux it with 40% NaOH for 2hours (to remove benzonitrile). Fractionally distil, then fractionally crystallise it by partial freezing. The higher-melting portion is converted to its sodium salt by adding a quarter of its weight of sodamide under nitrogen and stirring for 3hours at 120o. Unreacted organic material is distilled off at 120o/1mm. The sodium salts are hydrolysed with water, and the organic fraction is separated by steam disillation, followed by fractional distillation. Before use, the distillate is passed, under nitrogen, through a column of activated silica gel. It turns yellow in air as it readily oxidizes and polymerises. [Russell J Am Chem Soc 78 1041 1956, Beilstein 5 IV 1532.]

Indene Preparation Products And Raw materials

Raw materials

Preparation Products


Indene Suppliers

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