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Boiling Point

145.0°C

CAS Registry Number 2

7732-18-5

CAS Registry Number 1

1310-73-2

ChEBI

CHEBI:32145

CAS RN 1 Max Percentage

64.03

CAS RN 2 Max Percentage

35.97

Chloride

50ppm max.

Chemical Name or Material

Sodium Hydroxide

Sodium hydroxide concentrate

Color

Colorless

White to Gray

Density

1.5000g/mL

Fieser Reference

01,1083; 05,616; 07,336; 08,460

EINECS Number

215-185-5

Formula Weight

40g/mol

Formula Weight

Grade

Analysis

Certified

Extra Pure

Health Hazard 1

Danger

Danger

Health Hazard 2

P260-P280-P303 + P361 + P353-P304 + P340 + P310-P305 + P351 + P338 + P310

GHS H Statement
Causes severe skin burns and eye damage.

GHS P Statement
Causes severe skin burns and eye damage.
May be corrosive to metals.

Heavy Metals

10ppm max.

Health Hazard 3

GHS P Statement
Do not breathe mist, vapors, spray.
Wear protective gloves/eye protection.
Wash exposed skin thoroughly after handling.
If swallowed: Rinse mouth.
Do not induce vomiting.
Immediately call a poison center/docto

GHS P Statement
Wear protective gloves/protective clothing/eye protection/face protection.
IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
Immediately call a POISON CENTER or doctor/physician.
IF IN EYES: Rinse cautiously with wa

Identification

Passes Test

Physical Form

Liquid

Powder

Viscous Solution

Sodium Sulfate

sodium sulfate (Na2SO4): 0.035% max.

InChIKey

HEMHJVSKTPXQMS-UHFFFAOYSA-M

Iron Fe

5ppm max.

Melting Point

12.0°C

Merck Index Reference

15, 8761

MFCD Number

MFCD00003548

Molecular Formula

HNaO

IUPAC Name

sodium;hydroxide

Molecular Weight

39.997

Linear Formula

NaOH

Name Note

50 wt% Solution in Water

Percent Purity

49.0 to 51.0% (Acidimetry)

50% ± 1% (w/v)

49 to 51%

Packaging

Plastic Bottle

Poly Bottle

Ampoule

Pub Chem CID

14798

Quantity

RTECS Number

WB4900000

Quantity

1 L

500mL

Sodium Carbonate

0.1 % max. (Na2CO3)

0.1% max. (Na2CO3)

Solubility

Soluble in water

Solubility in water: soluble in water. Other solubilities: soluble in alcohol and glycerol, insoluble in acetone and ether

Specific Gravity

1.5

SMILES

[OH-].[Na+]

Sodium Chloride

100ppm (NaCl) max.

Storage Information

Room Temperature

Synonym

sodium hydrate

ascarite

sodium hydroxide

aetznatron

UN Number

UN1824

1824

Traceabilityto NIST

Traceable to NIST

TSCA

Vapor Pressure

3 mmHg (37°C)

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