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Safety Information

757527

Sigma-Aldrich

Sodium hydroxide

ultra dry, powder or crystals, 99.99% trace metals basis

Synonym(s):

‘Caustic soda’

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About This Item

Linear Formula:
NaOH
CAS Number:
1310-73-2
Molecular Weight:
40.00
EC Number:
215-185-5
MDL number:
MFCD00003548
UNSPSC Code:
12352302
PubChem Substance ID:
329766682
NACRES:
NA.23

vapor density

>1 (vs air)

Quality Level

200

vapor pressure

<18 mmHg ( 20 °C)
3 mmHg ( 37 °C)

Assay

99.99% trace metals basis

form

powder or crystals

impurities

≤150.0 ppm Trace Metal Analysis

mp

318 °C (lit.)

solubility

water: soluble 1260 g/L at 20 °C

density

2.13 g/cm3

SMILES string

[OH-].[Na+]

InChI

1S/Na.H2O/h;1H2/q+1;/p-1

InChI key

HEMHJVSKTPXQMS-UHFFFAOYSA-M

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Pictograms

Corrosion
GHS05

Signal Word

Danger

Hazard Statements

H290,H314

Hazard Classifications

Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A

Storage Class Code

8B - Non-combustible corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

757527-25G:4548173332307
757527-BULK:
757527-25G-PW:
757527-VAR:

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Certificates of Analysis (COA)

Lot/Batch Number
0000385768
0000355655
0000355655
0000385768
0000197323

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