Boiling point

1390°C

density

1.515 g/mL at 20 °C

vapor density

<1 (vs air)

vapor pressure

1 mm Hg ( 745 °C)

refractive index

1,473-1,475

Fp

176-178°C

storage temp.

room temp

solubility

H2O: 1 M at 20 °C, clear, colorless

form

beads

color

White

Specific Gravity

2.13

PH Range

13 - 14

PH

10.98(1 mM solution);11.95(10 mM solution);12.88(100 mM solution);

Odor

Odorless

Water Solubility

SOLUBLE

λmax

λ: 260 nm Amax: 0.015

λ: 280 nm Amax: 0.01

Decomposition

176-178 ºC

Sensitive

Air Sensitive & Hygroscopic

Merck

148,627

Dielectric constant

57.5（25℃）

Exposure limits

TLV-TWA air 2 mg/m3 (OSHA); ceiling 2 mg/m3 (ACGIH) and 2 mg/m3/15 min (NIOSH).

Stability:

hygroscopic

Cosmetics Ingredients Functions

DENATURANT

BUFFERING

InChI

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

InChIKey

HEMHJVSKTPXQMS-UHFFFAOYSA-M

SMILES

[OH-].[Na+]

CAS DataBase Reference

1310-73-2(CAS DataBase Reference)

NIST Chemistry Reference

Sodium hydroxide(1310-73-2)

EPA Substance Registry System

Sodium hydroxide (1310-73-2)

Risk Statements

36/38-35-34

Safety Statements

26-45-37/39-24/25-36/37/39

OEL

Ceiling: 2 mg/m3

RIDADR

UN 1823 8/PG II (SODIUM HYDROXIDE, SOLID)

RIDADR

UN 1824 8/PG II/III (SODIUM HYDROXIDE SOLUTION)

WGK Germany

1

RTECS

TT2975000

F

8

TSCA

TSCA listed

HS Code

2815 11 00

HazardClass

8

PackingGroup

II

Storage Class

8B - Non-combustible corrosive hazardous materials

Hazard Classifications

Eye Dam. 1

Met. Corr. 1

Skin Corr. 1A

Hazardous Substances Data

1310-73-2(Hazardous Substances Data)

Toxicity

LD orally in rabbits: 500 mg/kg (10% soln) (Fazekas)

IDLA

10 mg/m3