Sodium Hydroxide

Basic Information

View in Editor

CAS Number

81133-20-2

Molecular Formula

HNaO

Molecular Weight

119.12 g/mol

EINECS

688-015-4

Chemical Classification

Basic Chemical Raw Materials Inorganic Chemicals Acids

Basic Physical Properties

Physical State

Brown

Melting Point

323 DEG C

Boiling Point

1388 DEG C

SMILES

View in Editor

[OH-].[Na+]

InChI

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

InChIKey

HEMHJVSKTPXQMS-UHFFFAOYSA-M

Complexity

104

Safety Information

View Safety Information

GHS Hazard Pictograms

H314

Hazard Statement

H314 Causes severe skin burns and eye damage
Skin corrosion/irritation

Hazard Class

Class 8 Class 8

Sensitiveness

对湿度、空气敏感

Synonyms & References

English

ASCARITE II REG, COARSE
ASCARITE II REG, FINE
ASCARITE II(TM)
ASCARITE(R)
SODIUM HYDROXIDE-COATED SILICA
SILICA, SODIUM HYDROXIDE COATED*20-30 ME SH
SILICA, SODIUM HYDROXIDE COATED*8-20 MES H
Ascarite(II), CO2 absorbent, 20-30 mesh, capacity: 40-50%
Ascarite (II) (R)
Anthophyllite
Anthophyllite fibers
Asbestos
Asbestos? Asbestos by TEM
Asbestos fibers
Asbestos (friable)
Grunerite
Grunerite fibers
Sodium hydroxide coated non-fibrous silicate
Tremolite Fibers
Ascarite(II)
Ascarite(II)_, 8- to 20-mesh, CO2 absorbent
Soda asbestos
ASCARITE(II), CO2 ABSORBENT, 20~30MESH
Carbon dioxide Absorber
Ascarite
Ascarite(II)?, CO2 absorbent, 8 to 20 Mesh
Ascarite(R)
2-Methyl-D-serine
(2R)-2-amino-3-hydroxy-2-methylpropanoic acid
D-SERINE, 2-METHYL-
H-alpha-Me-D-Ser-OH

MDL Number

MFCD00132264

EC Number

688-015-4

Customs Code

29215900

FAQ

What regulatory guidelines apply to Sodium Hydroxide (CAS: 81133-20-2)?

Sodium hydroxide (CAS: 81133-20-2) is regulated by various guidelines including GHS (Globally Harmonized System of Classification and Labeling of Chemicals), REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) in the EU, and FDA (Food and Drug Administration) and EPA (Environmental Protection Agency) in the USA. It is classified as a corrosive substance with strict storage and handling requirements.

Are there alternatives to Sodium Hydroxide (CAS: 81133-20-2) in synthesis?

Alternatives to sodium hydroxide include potassium hydroxide, lithium hydroxide, and calcium hydroxide. These can be used in specific synthetic processes where sodium hydroxide is not suitable, such as in the production of soaps, paper, and textiles. However, the choice of alternative depends on the specific reaction conditions and safety considerations.

What is the market or research trend for Sodium Hydroxide (CAS: 81133-20-2)?

The market for sodium hydroxide is stable with a consistent demand across industries like pulp and paper, petroleum refining, and water treatment. Research trends focus on its use in green chemistry processes and waste management to reduce environmental impact. Innovations in recycling and reusing sodium hydroxide are also being explored.

How should waste containing Sodium Hydroxide (CAS: 81133-20-2) be handled?

Waste containing sodium hydroxide should be neutralized with an acid to reduce its pH to a safe level before disposal. Proper incineration or professional waste disposal services should be used. Environmental precautions include ensuring no contamination of water sources and proper labeling of waste containers. Follow local regulations for hazardous waste disposal to ensure compliance and safety.