Sulfurous acid, monosodium salt | CAS 7631-90-5

Element: monosodium sulfurous acid salt

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C-S » Chemicals » sulfurous-acid-monosodium-salt-PX147243

Identification

Sulfurous acid, monosodium salt

CAS:

7631-90-5

EINECS:

231-548-0

Molecular Formula:

HNaO₃S

MDL:

MFCD00003530

SMILES:

[Na+].S([O-])(O)=O

Synonym:

sodium acid sulfite ; fr-62 ; hydrogen sodium sulfite ; pyrosulfite ; sulfurousacid, sodium salt (1:1) ; sodium sulfite (nahso3) ; uantaxsbs ; e 222 ; sodium disulfite ; sodium hydrogen sulfite ; natriumdisulfit ; nahso3 ; hydrogen sulfite sodium ; sodium bisulfite (nahso3) ; bisulfite ; sodium bisulfite ; monosodium sulfite ; sodiumsulhydrate ; sodium acid ; sodium hydrogensulfite ; sodium bisulphite ; disulfite ; sulfurousacid, monosodium salt (8ci,9ci) ; sodiumbisulfite

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Prices & Availability

Data is processed

Properties for Sulfurous acid, monosodium salt

Molecular Weight:

104.06 g·mol−1

Density:

1.48 g/cm3

Melting point:

150 °C

Solubility:

300 g/L in water

Physical Description:

white powder

Transport Information:

UN 2693

Hazard Statements

GHS05
Corrosive

Corrosive to metals, category 1

GHS03
Harmful

Acute toxicity (oral, dermal, inhalation), category 4
Skin irritation, categories 2, 3
Eye irritation, category 2A
Skin sensitization, category 1
Specific target organ toxicity following single exposure, category 3
- Respiratory tract irritation
- Narcotic effects

Not used

with the "skull and crossbones" pictogram
for skin or eye irritation if:
the "corrosion" pictogram also appears
the "health hazard" pictogram is used to indicate respiratory sensitization

Safety & Transport Information

Risk Codes:

R22 - Harmful if swallowed
R31 - Contact with acids liberates toxic gas
R41 - Risk of serious damage to eyes
R52 - Harmful to aquatic organisms

Safety Codes:

S25 - Avoid contact with eyes
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S39 - Wear eye/face protection
S46 - If swallowed, seek medical advice immediately and show this container or label

Hazard Symbols:

Storage temperature :

Store at RT.

RID/ADR certification :

UN 2693

Alternative Distributors of [Sulfurous acid, monosodium salt]

Producers or manufacturers change the product range from time to time. The following companies
have appeared as suppliers in the past / currently not verified

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