Soda Lime AR (with indicator)

AR grade with indicator For Laboratory Use
CAS Number
8006-28-8
HSN Code
38249090
Molecular Formula
NaOH/Ca(OH)2
Catalogue Number
AL1342A
Purity
>95%
Molecular Weight
N/A

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

ISO 9001 ISO 14001 GMP COA with every batch

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Key Properties

Appearance White to pink/violet granules
Shelf Life 12 months
Packaging Available in 500 g and 1 kg plastic containers
Storage Store in a cool, dry place, away from moisture and incompatible materials.

Soda lime AR (with indicator) is a specialized grade of soda lime that serves as a CO2-absorbing material, notable for its color-indicating properties. This product changes color from white to pink or violet as it becomes saturated with carbon dioxide, providing a visual cue for its exhaustion. It is primarily composed of a mixture of sodium hydroxide and calcium hydroxide, combined with a pH indicator to enhance its functionality. This makes it particularly useful in applications where monitoring CO2 levels is critical, such as in gas analysis and respiratory research.

Also known as Soda lime, CO2 absorbent.

Catalogue No.
AL1342A
CAS Number
8006-28-8
Molecular Formula
NaOH/Ca(OH)2
Molecular Weight
N/A
HSN Code
38249090
Grade
AR grade with indicator
Product Form
Mixture

Soda lime AR appears as white to pink/violet granules, which change color upon saturation with CO2. The product has a density of approximately 0.8 g/cm³ and is soluble in water, forming a strongly alkaline solution. The melting point is not applicable as it is a mixture, but the decomposition of the hydroxides occurs at temperatures above 580 °C. The product has a pH value of around 12-13 when dissolved in water, indicating its highly alkaline nature. The granules are typically non-volatile under standard conditions, making them stable for storage and use.

Appearance
White to pink/violet granules
Shelf Life
12 months
Packaging
Available in 500 g and 1 kg plastic containers
Storage
Store in a cool, dry place, away from moisture and incompatible materials.

1.1 — Product identifier

Chemical Name
Soda Lime AR (with indicator)
Catalogue No.
AL1342A
Product form
Mixture
CAS Number
8006-28-8
EC Number
232-196-8
Grade
AR grade with indicator
EC Index Number
NaN
Chemical Formula
NaOH/Ca(OH)2
HSN Code
38249090
Synonyms
Soda lime, CO2 absorbent

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

Use of the substance/mixture
CO2 absorbent in gas analysis and respiration research
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
Causes severe skin burns and eye damage.

3.1 — Substance

Name
Soda Lime AR (with indicator)
CAS No.
8006-28-8

4.1 — Description of first aid measures

First-aid measures after inhalation
Move to fresh air. If breathing is difficult, give oxygen. Seek medical attention if symptoms persist.
First-aid measures after skin contact
Wash skin thoroughly with soap and water. Remove contaminated clothing. 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 immediately.
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
Burning sensation, redness, and pain in contact areas; respiratory distress if inhaled.

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 react with acids to produce heat and corrosive vapors.

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 absorb with inert material. Dispose of in accordance with local regulations.

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
Avoid contact with skin and eyes. Use personal protective equipment as required. Ensure adequate ventilation.
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 tightly closed container in a cool, dry place, away from incompatible materials.

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 vapors are generated.

9.1 — Information on basic physical and chemical properties

Physical state
Granular solid
Colour
White to pink/violet
Odour
Odourless
Odour threshold
Not applicable
pH value
12-13
Relative evaporation rate (butylacetate=1)
Not applicable
Melting point
Not applicable
Freezing point
Not applicable
Boiling point
Not applicable
Flash point
Not applicable
Auto-ignition temperature
Not applicable
Decomposition temperature
>580 °C
Flammability (solid, gas)
Non-flammable
Vapour pressure
Not applicable
Relative vapour density at 20°C
Not applicable
Density
~0.8 g/cm³
Solubility
Soluble in water
Log Pow
Not applicable
Viscosity, kinematic
Not applicable
Viscosity, dynamic
Not applicable
Explosive properties
Not applicable
Oxidising properties
Not applicable
Explosive limits
Not applicable

10.1 — Reactivity

Reactivity
Reacts with acids to release heat and corrosive gases.

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
Acids, strong oxidizers.

10.6 — Hazardous decomposition products

Hazardous decomposition products
Not specified

11.1 — Information on toxicological effects

Acute toxicity
Not classified as acutely toxic, but may cause burns.
Skin corrosion/irritation
Causes severe skin burns.
Serious eye damage/irritation
Causes serious eye damage.
Respiratory or skin sensitisation
Not a skin sensitizer.
Germ cell mutagenicity
Not classified
Carcinogenicity
Not classified
Specific target organ toxicity (single exposure)
Not classified as a specific target organ toxicant.
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 1907
UN-No. (IMDG)
UN 1907
UN-No. (IATA)
UN 1907
UN-No. (ADN)
UN 1907
UN-No. (RID)
UN 1907

14.2 — UN proper shipping name

Proper Shipping Name (ADR)
Soda Lime
Proper Shipping Name (IMDG)
Soda Lime
Proper Shipping Name (IATA)
Soda Lime
Proper Shipping Name (ADN)
Soda Lime
Proper Shipping Name (RID)
Soda Lime

14.3 — Transport hazard class(es)

Transport hazard class(es)
8

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

Soda lime AR (with indicator) is widely used in various applications, particularly in the fields of gas analysis and closed-system respiration research. It is employed in laboratories for the absorption of carbon dioxide in gas sampling and analysis, ensuring accurate measurements of gas concentrations. Additionally, it is utilized in medical and veterinary settings for maintaining controlled environments in anesthesia machines and respiratory devices. The color change feature also aids in educational demonstrations regarding gas exchange and respiratory physiology, making it a valuable tool in both research and teaching environments.

ISO 9001 ISO 14001 GMP COA with every batch
Batch Number
AL-2026-AL1342A
Manufacturing Date
September-2026
Expiry Date
September-2031
Molecular Weight
N/A
Test Standard Observed
Description Pink crystals Pink crystals
Absorption capacity of CO 2 Min. 28% 28.54%
Loss on drying at 105°C 13 - 18% 16.96%
Color changes Pink to white Pink to white

The above product complies with AR grade

Technical Data Sheet

Grade Assay/Purity Melting/Boiling Point Moisture/LOD Residue on Ignition Related Substances Solubility
AR grade with indicator >95% Not applicable <5% <1% None detected Soluble in water
View full Technical Data Sheet

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