Cobalt(II) sulfate heptahydrate

AR grade For Laboratory Use
CAS Number
10026-24-1
HSN Code
28332990
Molecular Formula
CoSO4·7H2O
Catalogue Number
AL0519A
Purity
99%
Molecular Weight
281.10 g/mol

Complies with : IP | BP | USP | EP | ACS

ISO 9001 ISO 14001 GMP COA with every batch

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Key Properties

Appearance Red to pink crystalline solid
Shelf Life -
Packaging Available in various packaging options, typically in glass or plastic containers.
Storage Store in a cool, dry place away from incompatible materials.

This AR-grade cobalt(II) sulfate heptahydrate has tighter purity control for precise analytical use. It is a red to pink crystalline solid that is freely soluble in water, making it suitable for various laboratory applications.

Also known as Cobalt(II) sulfate, Cobaltous sulfate.

Catalogue No.
AL0519A
CAS Number
10026-24-1
Molecular Formula
CoSO4·7H2O
Molecular Weight
281.10 g/mol
HSN Code
28332990
Grade
AR grade
Product Form
Substance

Red to pink crystalline solid; freely soluble in water. The compound has a melting point of approximately 100 °C (decomposes) and a density of 1.87 g/cm³.

Appearance
Red to pink crystalline solid
Shelf Life
-
Packaging
Available in various packaging options, typically in glass or plastic containers.
Storage
Store in a cool, dry place away from incompatible materials.

1.1 — Product identifier

Chemical Name
Cobalt(II) sulfate heptahydrate
Catalogue No.
AL0519A
Product form
Substance
CAS Number
10026-24-1
EC Number
233-334-2
Grade
AR grade
EC Index Number
028-002-00-1
Chemical Formula
CoSO4·7H2O
HSN Code
28332990
Synonyms
Cobalt(II) sulfate, Cobaltous sulfate

1.2 — Relevant identified uses of the substance or mixture and uses advised against

Use of the substance/mixture
Analytical reference compound, laboratory reagent
Uses advised against
Not specified

1.3 — Details of the supplier of the safety data sheet

Company identification
Address:- 102, B wing, Savgan Heights, RTO Lane,Andheri (W), Mumbai-400 053Maharashtra, India.

1.4 — Emergency Contact Details

Phone / e-Mail
Phone : +91 22 26317055 Mobile : +91 9820385757 e-mail : info@alphachemika.co.in

2.3 — Other hazards

Other hazards
Suspected carcinogen; may cause respiratory irritation.

3.1 — Substance

Name
Cobalt(II) sulfate heptahydrate
CAS No.
10026-24-1

4.1 — Description of first aid measures

First-aid measures after inhalation
Move to fresh air. If symptoms persist, seek medical attention.
First-aid measures after skin contact
Wash with soap and water. If irritation occurs, seek medical attention.
First-aid measures after eye contact
Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. If irritation persists, seek medical attention.
First-aid measures after ingestion
Rinse mouth. Do not induce vomiting. Seek medical attention immediately.

4.2 — Most important symptoms and effects, both acute and delayed

Symptoms relating to use
May cause skin and eye irritation, respiratory issues, and gastrointestinal discomfort upon ingestion.

4.3 — Indication of any immediate medical attention and special treatment needed

General information
Treat symptomatically. Show this safety data sheet to the treating physician.

5.1 — Extinguishing media

Suitable extinguishing media
Water spray, carbon dioxide, dry chemical powder, foam.
Unsuitable extinguishing media
Not specified

5.2 — Special hazards arising from the substance or mixture

Special procedures
Non-flammable, but may emit toxic fumes in a fire.

5.3 — Advice for firefighters

Protection during firefighting
Do not enter fire area without proper protective equipment, including respiratory protection.

6.1.1 — For non-emergency personnel

Emergency procedures
Contain spill and collect using appropriate protective equipment. Dispose of in accordance with local regulations.

6.3 — Methods and material for containment and cleaning up

Methods for cleaning up
Use appropriate personal protective equipment. Sweep up and place in a suitable container for disposal.

6.4 — Reference to other sections

Reference
Not specified

7.1 — Precautions for safe handling

Precautions for safe handling
Avoid contact with skin and eyes. Use appropriate personal protective equipment (gloves, goggles).
Hygiene measures
Wash hands and other exposed areas with mild soap and water before eating, drinking or smoking and when leaving work.

7.2 — Conditions for safe storage, including any incompatibilities

Storage conditions
Store in a cool, dry place, away from incompatible materials such as strong acids and bases.

8.2 — Exposure controls

Hand protection
Protective gloves (e.g. nitrile rubber)
Eye protection
Chemical safety goggles or safety glasses
Skin and body protection
Wear suitable protective clothing
Respiratory protection
Use appropriate respiratory protection if dust or mist is generated.

9.1 — Information on basic physical and chemical properties

Physical state
Solid
Colour
Red to pink
Odour
Odourless
Odour threshold
No data available
pH value
No data available
Relative evaporation rate (butylacetate=1)
No data available
Melting point
Decomposes at approximately 100 °C
Freezing point
No data available
Boiling point
No data available
Flash point
No data available
Auto-ignition temperature
No data available
Decomposition temperature
Decomposes at 100 °C
Flammability (solid, gas)
Non-flammable
Vapour pressure
No data available
Relative vapour density at 20°C
No data available
Density
1.87 g/cm³
Solubility
Freely soluble in water
Log Pow
No data available
Viscosity, kinematic
No data available
Viscosity, dynamic
No data available
Explosive properties
Not explosive
Oxidising properties
Not oxidizing
Explosive limits
No data available

10.1 — Reactivity

Reactivity
Stable under normal conditions. Reacts with strong acids and bases.

10.2 — Chemical stability

Chemical stability
Stable under recommended storage conditions.

10.3 — Possibility of hazardous reactions

Possibility of hazardous reactions
No dangerous reactions known under normal conditions of use.

10.4 — Conditions to avoid

Conditions to avoid
Avoid contact with incompatible materials and excessive heat.

10.5 — Incompatible materials

Incompatible materials
Strong acids, strong bases, and reducing agents.

10.6 — Hazardous decomposition products

Hazardous decomposition products
Not specified

11.1 — Information on toxicological effects

Acute toxicity
Toxic if swallowed, inhaled, or absorbed through skin.
Skin corrosion/irritation
Causes skin irritation.
Serious eye damage/irritation
Causes serious eye irritation.
Respiratory or skin sensitisation
May cause allergic skin reaction.
Germ cell mutagenicity
Not classified
Carcinogenicity
Not classified
Specific target organ toxicity (single exposure)
May cause respiratory irritation.
Specific target organ toxicity (repeated exposure)
Not classified

12.1 — Toxicity

Toxicity information
Not specified

12.2 — Persistence - degradability

Persistence - degradability
Not specified

12.3 — Bioaccumulative potential

Bioaccumulative potential
Not specified

12.4 — Mobility in soil

Mobility in soil
Not specified

12.6 — Other adverse effects

Environmental precautions
Not specified

13.1 — Waste treatment methods

Additional Info
Dispose of contents/container in accordance with local, regional, national and international regulations.

14.1 — UN number

UN-No. (ADR)
3077
UN-No. (IMDG)
3077
UN-No. (IATA)
3077
UN-No. (ADN)
3077
UN-No. (RID)
3077

14.2 — UN proper shipping name

Proper Shipping Name (ADR)
Cobalt(II) sulfate heptahydrate
Proper Shipping Name (IMDG)
Cobalt(II) sulfate heptahydrate
Proper Shipping Name (IATA)
Cobalt(II) sulfate heptahydrate
Proper Shipping Name (ADN)
Cobalt(II) sulfate heptahydrate
Proper Shipping Name (RID)
Cobalt(II) sulfate heptahydrate

14.3 — Transport hazard class(es)

Transport hazard class(es)
9

14.4 — Packing group

Packing group (ADR)
III
Packing group (IMDG)
III
Packing group (IATA)
III
Packing group (ADN)
III
Packing group (RID)
III

14.5 — Environmental hazards

Dangerous for the environment
Not specified
Marine pollutant
Not specified
Other information
No supplementary information available

15.1 — Safety, health and environmental regulations/legislation specific for the substance or mixture

15.1.1 EU-Regulations
Not specified

Used as an analytical-grade reference compound in cobalt-ion chemistry research, as well as in electroplating, pigments, and as a nutrient in animal feed.

ISO 9001 ISO 14001 GMP COA with every batch
Batch Number
AL-2026-AL0519A
Manufacturing Date
September-2026
Expiry Date
September-2031
Molecular Weight
281.10 g/mol
Test Standard Observed
Assay (Purity) 99% min 99.5%
Moisture Content < 0.5% 0.3%
Residue on Ignition < 0.1% 0.05%
Related Substances None detected None detected

The above product is expected to comply with AR grade grade specification.

Technical Data Sheet

Grade Assay/Purity Melting/Boiling Point Moisture/LOD Residue on Ignition Related Substances Solubility
AR grade 99% Decomposes at approximately 100 °C < 0.5% < 0.1% None detected Freely soluble in water
View full Technical Data Sheet

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