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Safety Data Sheet EN

Sodium hydrosulfite

CAS 7775-14-6

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01

Identification

Product identifiers, regulatory numbers, and supplier information

Product Information

Product Name
Sodium hydrosulfite
Product Code
71699

Regulatory Identifiers

CAS Number
7775-14-6 Check regulations →
REACH No.
A registration number is not available for this substance as the substance or its uses are exempted from registration or the annual tonnage does not require a registration.

Identified Uses

Laboratory chemicals, Manufacture of substances

Manufacturers & Suppliers

S

Sigma-Aldrich Chemie GmbH

manufacturer

Eschenstrasse 5, D-82024 TAUFKIRCHEN

+49 (0)89 6513-1130

Emergency Contacts

CHEMTREC Deutschland

0800 181 7059

CHEMTREC weltweit

+49 (0)696 43508409

02

Hazard Identification

GHS classification, signal word, pictograms, and hazard statements

Classified danger

Hazard Classifications

Self-heat. Cat. 1 H251
Acute Tox. Cat. 4 H302
Eye Irrit. Cat. 2 H319

GHS Pictograms

GHS02 - Flammable

GHS02

GHS07 - Health hazard

GHS07

Hazard Statements

H251 Self-heating: may catch fire.
H302 Harmful if swallowed.
H319 Causes serious eye irritation.

Precautionary Statements

P235 Keep cool.
P264 Wash skin thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P280 Wear protective gloves/ protective clothing/ eye protection/ face protection.
P301 + P312 IF SWALLOWED: Call a POISON CENTER/ doctor if you feel unwell.
P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

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03

Composition / Information on Ingredients

Chemical components, concentration ranges, and hazardous substance identification

Type substance
Chemical Name CAS Number Concentration Hazardous
sodium dithionite EC: 231-890-0 7775-14-6 100% Yes
04

First Aid Measures

Emergency procedures for chemical exposure incidents

Inhalation

After inhalation: fresh air.

Skin contact

Take off immediately all contaminated clothing. Rinse skin with water/ shower.

Eye contact

After eye contact: rinse out with plenty of water. Call in ophthalmologist. Remove contact lenses.

Ingestion

After swallowing: immediately make victim drink water (two glasses at most). Consult a physician.

05

Firefighting Measures

Extinguishing media, specific hazards, and firefighter protection

Suitable media

Use extinguishing measures that are appropriate to local circumstances and the surrounding environment.

Unsuitable media

For this substance/mixture no limitations of extinguishing agents are given.

Specific hazards

Sulphur oxides, Sodium oxides. Not combustible. Ambient fire may liberate hazardous vapours.

Instructions

Suppress (knock down) gases/vapours/mists with a water spray jet.

Firefighter Protection

In the event of fire, wear self-contained breathing apparatus.

06

Accidental Release Measures

Spill cleanup procedures, containment, and environmental protection

Emergency procedures

Avoid inhalation of dusts. Avoid substance contact. Ensure adequate ventilation. Evacuate the danger area, observe emergency procedures, consult an expert.

Environmental

Do not let product enter drains.

Cleanup methods

Take up dry. Clean up affected area.

Related Products

Similar products with comparable safety profiles

07

Handling and Storage

Safe handling precautions, storage conditions, and workplace requirements

Handling

For precautions see section 2.2.

Storage

Tightly closed. Keep away from heat and sources of ignition. Store under inert gas.

Fire prevention

Keep away from heat and sources of ignition.

08

Exposure Controls / PPE

Occupational exposure limits, engineering controls, and protective equipment

Hands

This recommendation applies only to the product stated in the safety data sheet, supplied by us and for the designated use. When dissolving in or mixing with other substances and under conditions deviating from those stated in EN 16523-1 please contact the supplier of CE-approved gloves (e.g. KCL GmbH, D-36124 Eichenzell, Internet: www.kcl.de). Full contact Material: Nitrile rubber Minimum layer thickness: 0,11 mm Break through time: 480 min Material tested: KCL 741 Dermatril® L Splash contact Material: Nitrile rubber Minimum layer thickness: 0,11 mm Break through time: 480 min Material tested: KCL 741 Dermatril® L

Eyes

Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU). Safety glasses

Respiratory

required when dusts are generated. Our recommendations on filtering respiratory protection are based on the following standards: DIN EN 143, DIN 14387 and other accompanying standards relating to the used respiratory protection system. Recommended Filter type: Filter type P2 The entrepreneur has to ensure that maintenance, cleaning and testing of respiratory protective devices are carried out according to the instructions of the producer. These measures have to be properly documented.

Skin/Body

protective clothing

Environmental

Do not let product enter drains.

09

Physical and Chemical Properties

Appearance, physical state, melting point, boiling point, and material characteristics

Ph
7,0 - 9 at 50 g/l at 20 °C
Solubility In Water
241.000 g/l at 20 °C - soluble
Solubility
---
Melting Point
300 °C
Auto Ignition Temperature
140 °C at 0,1 hPa - Regulation (EC) No. 440/2008, Annex, A.16 The substance or mixture is classified as self heating with the category 1.
Bulk Density
---
Vapor Density
---
Appearance
---
Flammability
---
Kinematic Viscosity
No data available
Odor
No data available
Boiling Point
No data available
Evaporation Rate
---
Solubility In Fat
---
Crystallisation Point
---
Solidification Point
---
Softening Point
---
Form
---
Voc Content
---
Lower Explosive Limit
---
Partition Coefficient
Not applicable for inorganic substances
Relative Evaporation Rate
---
Cloud Point
---
Physical State Data
solid
Density
2,38 g/cm³ at 20 °C
Explosive Limits
---
Colour
white
Colour Intensity
---
Physical State
powder
Vapor Pressure
No data available
Decomposition Temperature
---
Relative Density
---
Dynamic Viscosity
No data available
Freezing Point
---
Odor Threshold
---
Properties Status
---
State Under Standard Conditions
---
Molecular Weight
---
Flash Point
Not applicable
Upper Explosive Limit
---
Metal Corrosion
---
10

Stability and Reactivity

Chemical stability, hazardous reactions, and incompatible materials

Stability

The product is chemically stable under standard ambient conditions (room temperature).

Reactivity

Self-heating: may catch fire. Contact with acids liberates toxic gas.

Hazardous reactions

Generates dangerous gases or fumes in contact with: Acids

Avoid

no information available

Incompatible

Acids

Decomposition

In the event of fire: see section 5

12

Ecological Information

Environmental toxicity, biodegradation, and bioaccumulation data

The data for this section has not been processed yet.

13

Disposal Considerations

Waste treatment methods, disposal recommendations, and waste codes

The data for this section has not been processed yet.

14

Transport Information

UN numbers, shipping names, transport classes, and regulatory requirements

UN Number
1384
Shipping Name
SODIUM DITHIONITE
Transport Class
4.2
Packing Group
II
15

Regulatory Information

Chemical regulations, safety assessments, and compliance status

The data for this section has not been processed yet.

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Frequently Asked Questions

Common questions about safety, handling, and properties

What is the hazard signal word for Sodium hydrosulfite?

The signal word is danger.

What is the physical form of Sodium hydrosulfite?

Sodium hydrosulfite is a powder with white color. It has no data available odor.

What is Sodium hydrosulfite used for?

Laboratory chemicals, Manufacture of substances

What are the hazard statements for Sodium hydrosulfite?

This substance has 3 hazard statements:

  • H251: Self-heating: may catch fire.
  • H302: Harmful if swallowed.
  • H319: Causes serious eye irritation.

What is the melting point of Sodium hydrosulfite?

The melting point is 300 °C and the boiling point is No data available.