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Silicon (Si, 3N-9N, powder and piece)

BGC Id:	154949910719
CAS No:	7440-21-3
Synonyms:	si(100) wafer ; si007908 ; polysilicon ; silicon element ; 111> ; feb 450d ; silicon ; kdb 20 ; phc20 ; kdb 0.1 ; hgh600 ; kdb 0.5 ; sicomill 4c-p ; kdb 10 ; silicon metal ; aldrich 267414-25g ; sharp 80w ; si002011 ; si003077 ; hexsil ; silgrain hq ; si002012 ; 4fy ; gko 3516a ; jt 02 ; silgrain standard ; si002015 ; si 1059 ; silicon 100 ; silicium ; polyeristalline silicon powder ; cz-n polished wafer ; silgrain ; si002050 ; sicomill grade 2 ; si007915 ; metasilicon 325a ; silso ; biosilicon ; kr 1
Molecular Formula:	H4Si
Molecular Weight:	28.08
EINECS:	231-130-8

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Synonyms:

si(100) wafer ; si007908 ; polysilicon ; silicon element ; 111> ; feb 450d ; silicon ; kdb 20 ; phc20 ; kdb 0.1 ; hgh600 ; kdb 0.5 ; sicomill 4c-p ; kdb 10 ; silicon metal ; aldrich 267414-25g ; sharp 80w ; si002011 ; si003077 ; hexsil ; silgrain hq ; si002012 ; 4fy ; gko 3516a ; jt 02 ; silgrain standard ; si002015 ; si 1059 ; silicon 100 ; silicium ; polyeristalline silicon powder ; cz-n polished wafer ; silgrain ; si002050 ; sicomill grade 2 ; si007915 ; metasilicon 325a ; silso ; biosilicon ; kr 1

CAS:

7440-21-3

EINECS:

231-130-8

Molecular Formula:

H4Si

MDL:

MFCD00085311

Properties

Molecular Weight:

28.08 g·mol−1

Density:

2.33 g/mL at 25 °C(lit.)

Melting point:

1410 °C(lit.)

Boiling point:

2355 °C(lit.)

Solubility:

insoluble in water

Physical Description:

grey lustrous solid or grey powder

Safety Information

Hazard Symbols: F, T

Europe standard Hazard pictograms, code and definition

Hazard Classes:

4.1

Hazardous Substances Data:

Non-Regulated Material ¹

Risk Codes:

11 (R)

Safety Codes:

26-36/37-45-7/9-33-16-36 (S)

WGK Germany:

RID / ADR:

UN 2922 8 / PG 2

RTECS:

VW0400000

Storage temperature:

Flammables area

What other providers are available for CAS 7440-21-3?

In addition to the providers presented here for Silicon (Si, 3N-9N, powder and piece) with the CAS number 7440-21-3, there are other 85 providers with slightly different product names available for this CAS number.

Silica

+2 additional providers that we know from the past

Silicon

Silicium

BIOZOL Diagnostica Vertrieb GmbH +1 additional providers that we know from the past

Silicone

BuGuCh & Partners +4 additional providers that we know from the past

Silicon metal

Skyrun Industrial Co., Ltd. | BuGuCh & Partners +7 additional providers that we know from the past

Silicon 99.99%

Simagchem Corporation

Silicon, powder

ProChem, Inc. | Anderson & Steinssen Inc | Hangzhou Verychem Science & Technology Co., Ltd. | Hangzhou Keying Chem Co., Ltd. +7 additional providers that we know from the past

Silicon granules

+1 additional providers that we know from the past

Nano Silicon Powder

+1 additional providers that we know from the past

Silicon, powder nano

Anderson & Steinssen Inc

Silicon 99.0%-99.999%

+1 additional providers that we know from the past

Silicon random pieces

+2 additional providers that we know from the past

Silicon polycrystalline

+1 additional providers that we know from the past