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Safety Information

76840

Sigma-Aldrich

Pentamethyldisiloxane

≥95.0%

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About This Item

Empirical Formula (Hill Notation):
C5H16OSi2
CAS Number:
Molecular Weight:
148.35
Beilstein:
1734568
EC Number:
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

≥95.0%

form

liquid

refractive index

n20/D 1.373

bp

86 °C (lit.)

density

0.760 g/mL at 20 °C (lit.)

SMILES string

[H][Si](C)(C)O[Si](C)(C)C

InChI

1S/C5H16OSi2/c1-7(2)6-8(3,4)5/h7H,1-5H3

InChI key

AOJHDNSYXUZCCE-UHFFFAOYSA-N

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Related Categories

Pictograms

Flame

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Flam. Liq. 2

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

-2.2 °F - closed cup

Flash Point(C)

-19 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

新产品

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Sijia Zheng et al.
Macromolecular rapid communications, 42(5), e2000375-e2000375 (2020-08-15)
Most silicone elastomers are thermosets. As a response to the new paradigm of polymer recyclability, the development of silicone elastomers that can be reversibly and repeatedly cured and uncrosslinked using redox conditions is reported. Thiopropyl-modified silicones are oxidized to elastomers

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