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388726

Sigma-Aldrich

Polybutenes

average Mn ~2,300 by VPO, isobutylene >90 %

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About This Item

Formule linéaire :
[-CH2C(CH3)2-]x[-CH2CH(C2H5)-]y
Numéro CAS:
9003-29-6
Numéro MDL:
MFCD00197897
Code UNSPSC :
12162002
ID de substance PubChem :
24864245
Nomenclature NACRES :
NA.23

Forme

liquid

Poids mol.

average Mn ~2,300 by VPO

Composition

isobutylene, >90%

Indice de réfraction

n20/D 1.504

Viscosité

4,000-4,400 cSt(99 °C)(lit.)

Température de transition

Tg −64.9 °C
pour point (ASTM D 97) +18 °C

Densité

0.908 g/mL at 25 °C

Chaîne SMILES 

CCC=C.C\C=C\C

InChI

1S/2C4H8/c2*1-3-4-2/h3-4H,1-2H3;3H,1,4H2,2H3/b4-3+;

Clé InChI

WTOOLIQYCQJDBG-BJILWQEISA-N

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Application

Hydrophobic material is derivatized to make detergents and anti-rust additives. Adds tack, flexibility and water repellency to adhesives and coatings. Contributes ′cling′ to LLDPE films. Plasticizer for polymers, lubricants and metal-working fluids.

Caractéristiques et avantages

Tackiness increases with molecular weight. Some internal double bonds may be present.

Forme physique

Terminal vinyl group.

Autres remarques

remainder 1- and 2-butenes

Pictogrammes

Health hazardExclamation mark
GHS08,GHS07

Mention d'avertissement

Danger

Mentions de danger

H304,H315

Classification des risques

Asp. Tox. 1 - Skin Irrit. 2

Code de la classe de stockage

10 - Combustible liquids

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

159.8 °F - closed cup

Point d'éclair (°C)

71 °C - closed cup

Équipement de protection individuelle

Eyeshields, Gloves

Certificats d'analyse (COA)

Recherchez un Certificats d'analyse (COA) en saisissant le numéro de lot du produit. Les numéros de lot figurent sur l'étiquette du produit après les mots "Lot" ou "Batch".

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