density

1.48

bulk density

1000-1200kg/m3

refractive index

1.474

storage temp.

Store at +5°C to +30°C.

solubility

540 g/L (20°C)

form

Powder/Solid

Specific Gravity

1.48

color

White to slightly yellow

PH

3.5-5 (50g/l, H2O, 20℃)

Odor

Sulphorous

PH Range

4.5 at 50 g/l at 20 °C

Water Solubility

540 g/L (20 ºC)

Sensitive

Air & Moisture Sensitive

Merck

14,8638

Exposure limits

ACGIH: TWA 5 mg/m3NIOSH: TWA 5 mg/m3

Stability:

Stable. Incompatible with strong oxidizing agents, strong acids. Contact with strong acids releases a poisonous gas. May be moisture and air sensitive.

InChIKey

HRZFUMHJMZEROT-UHFFFAOYSA-L

CAS DataBase Reference

7681-57-4(CAS DataBase Reference)

EPA Substance Registry System

Sodium metabisulfite (7681-57-4)

Safety Information

Risk Statements

22-31-41-36/37/38-52

Safety Statements

26-39-46-36-16

RIDADR

3260

OEB

B

OEL

TWA: 5 mg/m3

WGK Germany

1

RTECS

UX8225000

TSCA

Yes

HS Code

2832 10 00

PackingGroup

III

Hazardous Substances Data

7681-57-4(Hazardous Substances Data)

Toxicity

LD50 orally in Rabbit: 1540 mg/kg LD50 dermal Rat > 2000 mg/kg