Mercuric Iodide

AR grade For Laboratory Use
CAS Number
7774-29-0
HSN Code
28521000
Molecular Formula
HgI2
Catalogue Number
AL0987A
Purity
99%
Molecular Weight
454.40 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 Bright red crystalline solid
Shelf Life -
Packaging -
Storage Store in a cool, dry place, away from incompatible materials.

This AR-grade mercuric iodide red has tighter purity control for precise analytical use. It is a highly toxic compound used primarily in analytical chemistry.

Also known as Mercury(II) iodide, Red mercuric iodide.

Catalogue No.
AL0987A
CAS Number
7774-29-0
Molecular Formula
HgI2
Molecular Weight
454.40 g/mol
HSN Code
28521000
Grade
AR grade
Product Form
Substance

Bright red crystalline solid; insoluble in water. It has a melting point of 256 °C and a boiling point of 444 °C.

Appearance
Bright red crystalline solid
Shelf Life
-
Packaging
-
Storage
Store in a cool, dry place, away from incompatible materials.

1.1 — Product identifier

Chemical Name
Mercuric Iodide
Catalogue No.
AL0987A
Product form
Substance
CAS Number
7774-29-0
EC Number
212-828-1
Grade
AR grade
EC Index Number
753-000-0
Chemical Formula
HgI2
HSN Code
28521000
Synonyms
Mercury(II) iodide, Red mercuric iodide

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

Use of the substance/mixture
Analytical 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
Highly toxic; may cause harm to the unborn child.

3.1 — Substance

Name
Mercuric Iodide
CAS No.
7774-29-0

4.1 — Description of first aid measures

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

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

Symptoms relating to use
Symptoms of exposure may include headache, dizziness, nausea, and respiratory distress.

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
Toxic fumes may be released in a fire. Use appropriate fire-fighting measures.

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
Evacuate area and ventilate. Wear appropriate protective equipment. Contain spill and collect for disposal.

6.3 — Methods and material for containment and cleaning up

Methods for cleaning up
Use appropriate 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
Handle with care. Use appropriate personal protective equipment (PPE) including gloves and 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 a NIOSH-approved respirator if exposure limits are exceeded.

9.1 — Information on basic physical and chemical properties

Physical state
Solid
Colour
Bright red
Odour
Odourless
Odour threshold
Not applicable
pH value
Not applicable
Relative evaporation rate (butylacetate=1)
Not applicable
Melting point
256 °C
Freezing point
Not applicable
Boiling point
444 °C
Flash point
Not applicable
Auto-ignition temperature
Not applicable
Decomposition temperature
Not applicable
Flammability (solid, gas)
Not flammable
Vapour pressure
Not applicable
Relative vapour density at 20°C
Not applicable
Density
6.5 g/cm³
Solubility
Insoluble in water; soluble in alcohol and ether
Log Pow
Not applicable
Viscosity, kinematic
Not applicable
Viscosity, dynamic
Not applicable
Explosive properties
Not explosive
Oxidising properties
Not oxidizing
Explosive limits
Not applicable

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 damage to organs through prolonged or repeated exposure.
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)
UN 1638
UN-No. (IMDG)
UN 1638
UN-No. (IATA)
UN 1638
UN-No. (ADN)
UN 1638
UN-No. (RID)
UN 1638

14.2 — UN proper shipping name

Proper Shipping Name (ADR)
Mercuric Iodide
Proper Shipping Name (IMDG)
Mercuric Iodide
Proper Shipping Name (IATA)
Mercuric Iodide
Proper Shipping Name (ADN)
Mercuric Iodide
Proper Shipping Name (RID)
Mercuric Iodide

14.3 — Transport hazard class(es)

Transport hazard class(es)
6.1

14.4 — Packing group

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

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 reagent in Nessler's reagent and mercury chemistry research. It is also utilized in the preparation of other mercury compounds.

ISO 9001 ISO 14001 GMP COA with every batch
Batch Number
AL-2026-AL0987A
Manufacturing Date
September-2026
Expiry Date
September-2031
Molecular Weight
454.40 g/mol
Test Standard Observed
Assay 99% min 99.5%
Melting Point 256 °C min 256 °C
Solubility Insoluble in water Insoluble
Density 6.5 g/cm³ 6.52 g/cm³

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% 256 °C (melting), 444 °C (boiling) Not specified Not specified Not specified Insoluble in water
View full Technical Data Sheet

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