Decalin
- CAS Number
- 91-17-8
- HSN Code
- 29029090
- Molecular Formula
- C10H18
- Catalogue Number
- AL1625
- Purity
- ≥ 98%
- Molecular Weight
- 138.55 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Decalin (decahydronaphthalene) is a bicyclic saturated hydrocarbon used as a high-boiling solvent and fuel additive reference compound.
Also known as Decahydronaphthalene.
- Catalogue No.
- AL1625
- CAS Number
- 91-17-8
- Molecular Formula
- C10H18
- Molecular Weight
- 138.55 g/mol
- HSN Code
- 29029090
- Grade
- 98% For Synthesis
- Product Form
- Substance
Melting point: -43 °C; Boiling point: 155.5 °C; Flash point: 129 °F; 54 °C (Closed cup); Density: 0.8965 @ 22 °C.
- Appearance
- Clear colorless liquid
- Shelf Life
- -
- Packaging
- Available in: 500 ml glass bottle, 2.5 Lt glass bottle
- Storage
- Fireproof. Separated from oxidants. Cool. Keep in the dark. Well closed.
1.1 — Product identifier
- Chemical Name
- Decalin
- Catalogue No.
- AL1625
- Product form
- Substance
- CAS Number
- 91-17-8
- EC Number
- 202-046-9
- Grade
- 98% For Synthesis
- EC Index Number
- Not specified
- Chemical Formula
- C10H18
- HSN Code
- 29029090
- Synonyms
- Decahydronaphthalene
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Solvent and fuel additive reference compound
- 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
2.1 — Classification of the substance or mixture
- Classification according to Regulation (EC) No 1272/2008
- Flam. Liq. 3; Asp. Tox. 1; Skin Corr. 1C; Acute Tox. 3; Aquatic Acute 1; Aquatic Chronic 1
- Classification source
- ECHA C&L Inventory via PubChem CID 7044 - hazard classes notified by at least 50% of companies; pictograms and signal word derived from those statements
2.2 — Label elements
- Hazard pictograms
- Flammable, Corrosive, Acute Toxic, Health Hazard, Environmental Hazard
- Signal word
- Danger
- Hazard statements
- H226: Flammable liquid and vapor; H304: May be fatal if swallowed and enters airways; H314: Causes severe skin burns and eye damage; H331: Toxic if inhaled; H400: Very toxic to aquatic life; H410: Very toxic to aquatic life with long lasting effects
2.3 — Other hazards
- Other hazards
- None identified
3.1 — Substance
- Name
- Decalin
- CAS No.
- 91-17-8
4.1 — Description of first aid measures
- First-aid measures after inhalation
- Remove to fresh air.
- First-aid measures after skin contact
- Wash with water and mild soap.
- First-aid measures after eye contact
- Flush with water for at least 15 min.
- First-aid measures after ingestion
- Give emetic such as warm salt water, followed by a mild cathartic; direct physician to conserve liver and kidney function.
4.2 — Most important symptoms and effects, both acute and delayed
- Symptoms relating to use
- Headache, dizziness, nausea, and irritation of the eyes and skin.
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
- As a result of flow, agitation, etc., electrostatic charges can be generated.
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 eliminate all ignition sources. Contain and collect spill with inert material.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Personal protection: chemical protection suit including self-contained breathing apparatus. Do NOT let this chemical enter the environment. Ventilation. Collect leaking liquid in sealable containers.
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 in a well-ventilated area.
- 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
- Fireproof. Separated from oxidants. Cool. Keep in the dark. Well closed.
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 ventilation is inadequate.
9.1 — Information on basic physical and chemical properties
- Physical state
- Liquid
- Colour
- Colorless
- Odour
- Slight odor resembling menthol; pure decalin does not smell of naphthalene
- Odour threshold
- Not specified
- pH value
- Not applicable
- Relative evaporation rate (butylacetate=1)
- Not specified
- Melting point
- -43 °C
- Freezing point
- Not specified
- Boiling point
- 155.5 °C
- Flash point
- 129 °F; 54 °C (Closed cup)
- Auto-ignition temperature
- 482 °F; 250 °C (491 °F; 255 °C Trans-isomer)
- Decomposition temperature
- Not specified
- Flammability (solid, gas)
- Flammable liquid
- Vapour pressure
- 0.5 mmHg at 20 °C
- Relative vapour density at 20°C
- 4.76 (Air= 1)
- Density
- 0.8965 @ 22 °C
- Solubility
- Insoluble in water, soluble in organic solvents
- Log Pow
- 4.6
- Viscosity, kinematic
- Not specified
- Viscosity, dynamic
- Not specified
- Explosive properties
- Not explosive
- Oxidising properties
- Not oxidizing
- Explosive limits
- 1.1 - 7.0 vol%
10.1 — Reactivity
- Reactivity
- Stable under normal conditions, but may react with strong oxidizing agents.
10.2 — Chemical stability
- Chemical stability
- On long exposure to air forms dangerous concentration of peroxide.
10.3 — Possibility of hazardous reactions
- Possibility of hazardous reactions
- The substance can form explosive peroxides. On combustion, forms toxic gases. Reacts with oxidants.
10.4 — Conditions to avoid
- Conditions to avoid
- Avoid contact with incompatible materials and excessive heat.
10.5 — Incompatible materials
- Incompatible materials
- Strong oxidizing agents, strong acids.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- When heated to decomposition it emits acrid smoke and fumes.
11.1 — Information on toxicological effects
- Acute toxicity
- LD50 Rat oral 4.2 g/kg; LD50 Rabbit dermal 5900 mg/kg; LC50 Rat inhalation 710 ppm/4 hr
- Skin corrosion/irritation
- H314: Causes severe skin burns and eye damage
- Serious eye damage/irritation
- Not classified (based on available data)
- Respiratory or skin sensitisation
- Not classified (based on available data)
- Germ cell mutagenicity
- Not classified (based on available data)
- Carcinogenicity
- Not classified (based on available data)
- Specific target organ toxicity (single exposure)
- Not classified (based on available data)
- Specific target organ toxicity (repeated exposure)
- Not classified (based on available data)
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 1147
- UN-No. (IMDG)
- UN 1147
- UN-No. (IATA)
- UN 1147
- UN-No. (ADN)
- UN 1147
- UN-No. (RID)
- UN 1147
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Decalin
- Proper Shipping Name (IMDG)
- Decalin
- Proper Shipping Name (IATA)
- Decalin
- Proper Shipping Name (ADN)
- Decalin
- Proper Shipping Name (RID)
- Decalin
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 3
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 a high-boiling nonpolar solvent in organic synthesis and as a fuel/lubricant additive reference compound.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL00588
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 138.55 g/mol
| Test | Standard | Observed |
|---|---|---|
| Description | Clear colourless liquid | Clear colourless liquid |
| Assay (GC) (Mixture of cis & trans isomers) | Min. 98.0% | 98.24% |
The above product complies with LR grade
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 98% For Synthesis | ≥ 98% | m.p. -43 °C; b.p. 155.5 °C | ≤ 0.5% | ≤ 0.1% | None detected | Insoluble in water, soluble in organic solvents |
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“From ordering to shipping, every course of action was smooth. Timely delivery.”
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“Speedy delivery, professional staff.”
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