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About This Item

Linear Formula:
Si
CAS Number:
7440-21-3
Molecular Weight:
28.09
EC Number:
231-130-8
MDL number:
MFCD00085311
UNSPSC Code:
41116107
PubChem Substance ID:
329818762
NACRES:
NA.24
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grade

certified reference material

Quality Level

100

packaging

pkg of 40 g

manufacturer/tradename

NIST®

greener alternative product characteristics

Design for Energy Efficiency
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sustainability

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bp

2355 °C (lit.)

mp

1410 °C (lit.)

density

2.33 g/mL at 25 °C (lit.)

application(s)

industrial qc

format

matrix material

greener alternative category

Enabling

SMILES string

[Si]

InChI

1S/Si

InChI key

XUIMIQQOPSSXEZ-UHFFFAOYSA-N

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General description

Each unit of SRM 57b contains a bottle consisting of approximately 40 grams of fine powder.



SRM 57B_cert

SRM 57B_SDS
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Application

Silicon metal standard reference material (SRM) is intended for use in the evaluation of instrumental and chemical methods of analysis.

Features and Benefits

  • Accompanied with certificate documenting NIST-certified values, expanded uncertainties, and expansion factor(k) for elements in SRM 57b.
  • Reference and information values are reported as mass fraction value for each element in silicon metal.
  • The certified values are metrologically traceable to the SI unit of mass, expressed as milligrams per kilogram.
  • The NIST certificate is provided with expiration certificate, storage, handling,use, and maintenance instructions.

Other Notes

Certified for the analytes listed below.
Aluminum (Al), Boron (B), Phosphorus (P), Titanium (Ti), Manganese (Mn), Iron (Fe), Nickel (Ni), Zirconium (Zr)

Reference/Informational value is provided for the following analytes. Calcium (Ca), Cobalt (Co), Chromium (Cr), Copper (Cu), Vanadium (V), Hydrogen (H), Carbon (C), Oxygen (O), Sulfur (S)

See certificate for values and more details at nist.gov/SRM.

Legal Information

NIST is a registered trademark of National Institute of Standards and Technology
SRM is a registered trademark of National Institute of Standards and Technology

Pictograms

Flame
GHS02

Signal Word

Warning

Hazard Statements

H228

Hazard Classifications

Flam. Sol. 2

Storage Class Code

4.1B - Flammable solid hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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