Sodium Hypochlorite CAS#7681-52-9

Boiling point 

111 °C

density 

1.25 g/mL at 20 °C

vapor pressure 

17.5 mmHg ( 20 °C)

refractive index 

1.3870

storage temp. 

2-8°C

solubility 

Methanol (Slightly), Water (Slightly)

form 

Solution

color 

Light yellow

Specific Gravity

1.209

Odor

pale greenish to yel. liq., chlorine bleach odor

PH

12-13 (20°C, 68 °F)

Water Solubility 

decomposes.

Merck 

14,8628

Dielectric constant

6.7（Ambient）

Exposure limits

ACGIH: Ceiling 2 mg/m3
OSHA: TWA 2 mg/m3
NIOSH: IDLH 10 mg/m3; Ceiling 2 mg/m3

BCS Class

1

Stability:

Stable. Contact with acids releases poisonous gas ( chlorine ). Light sensitive. Incompatible with strong acids, amines, ammonia, ammonium salts, reducing agents, metals, aziridine, methanol, formic acid, phenylacetonitrile.

LogP

-3.42 at 20℃

CAS DataBase Reference

7681-52-9(CAS DataBase Reference)

EPA Substance Registry System

Sodium hypochlorite (7681-52-9)

Risk Statements 

31-34-36/38-36/37/38-50

Safety Statements 

26-36/37/39-45-50A-28A-36-61-50-28

RIDADR 

UN 1791 8/PG 3

WGK Germany 

2

RTECS 

NH3486300

TSCA 

Yes

HazardClass 

8

PackingGroup 

III

HS Code 

28289000

Hazardous Substances Data

7681-52-9(Hazardous Substances Data)

Toxicity

Skin contact with the solid hypochlorite pentahydrate or its concentrated solution can cause irritation. Ingestion may cause corrosion of mucous membranes and gastric perforation.