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Merck

28-2975

Sodium hydroxide

≥96.0%

Synonym(s):

‘Caustic soda’

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About This Item

Linear Formula:
NaOH
CAS Number:
1310-73-2
Molecular Weight:
40.00
UNSPSC Code:
12352106
PubChem Substance ID:
329753126
MDL number:
MFCD00003548
Assay:
≥96.0%
Form:
solid

Key Documents

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Product Name

Sodium hydroxide, ≥96.0%

InChI

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

SMILES string

[OH-].[Na+]

InChI key

HEMHJVSKTPXQMS-UHFFFAOYSA-M

vapor density

>1 (vs air)

vapor pressure

<18 mmHg ( 20 °C)
3 mmHg ( 37 °C)

assay

≥96.0%

form

solid

availability

available only in Japan

mp

318 °C (lit.)

solubility

water: soluble 1260 g/L at 20 °C

density

2.13 g/cm3

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pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H290,H314

Hazard Classifications

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

Storage Class

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.

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified

28-2975-5-500G-J:

jan

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Certificates of Analysis (COA)

Lot/Batch Number
U4545
U7469
U9348
U1346
U2245

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