1,4-Dioxane
- CAS Number
- 123-91-1
- HSN Code
- 29329900
- Molecular Formula
- C4H8O2
- Catalogue Number
- AL1910
- Purity
- ≥ 98%
- Molecular Weight
- 88.11 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Dioxane appears as a clear colorless liquid with a faint ethereal odor. Flash point 55 °F. Slightly denser than water and soluble in water.
Also known as Diethylene oxide.
- Catalogue No.
- AL1910
- CAS Number
- 123-91-1
- Molecular Formula
- C4H8O2
- Molecular Weight
- 88.11 g/mol
- HSN Code
- 29329900
- Grade
- 98% For Synthesis
- Product Form
- Substance
Melting point: 11.75 °C; Boiling point: 101.2 °C; Flash point: 65 °F (18.3 °C) (Open cup); Density: 1.0337 g/cu cm at 20 °C; Solubility: In water, >800 g/L at 25 °C.
- Appearance
- Colorless liquid or solid (below 53 degrees F)
- Shelf Life
- 12 months
- Packaging
- Available in: 500 ml glass bottle, 1 Lt glass bottle, 2.5 Lt glass bottle
- Storage
- Fireproof. Separated from strong oxidants, strong acids and incompatible materials. Cool. Dry. Well closed. Keep in the dark. Store only if stabilized. Store in an area without drain or sewer access.
1.1 — Product identifier
- Chemical Name
- 1,4-Dioxane
- Catalogue No.
- AL1910
- Product form
- Substance
- CAS Number
- 123-91-1
- EC Number
- 204-661-8
- Grade
- 98% For Synthesis
- EC Index Number
- 603-022-00-6
- Chemical Formula
- C4H8O2
- HSN Code
- 29329900
- Synonyms
- Diethylene oxide
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Solvent in organic synthesis
- 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. 2; Eye Irrit. 2; STOT SE 3; Carc. 2
- Classification source
- ECHA C&L Inventory via PubChem CID 31275 - hazard classes notified by at least 50% of companies; pictograms and signal word derived from those statements
2.2 — Label elements
- Hazard pictograms
- Flammable, Irritant, Health Hazard
- Signal word
- Danger
- Hazard statements
- H225: Highly Flammable liquid and vapor; H319: Causes serious eye irritation; H335: May cause respiratory irritation; H351: Suspected of causing cancer
2.3 — Other hazards
- Other hazards
- Suspected carcinogen; forms peroxides upon prolonged storage.
3.1 — Substance
- Name
- 1,4-Dioxane
- CAS No.
- 123-91-1
4.1 — Description of first aid measures
- First-aid measures after inhalation
- If this chemical has been inhaled, remove the exposed person to fresh air at once. If breathing has stopped, perform artificial respiration. Keep the person warm and at rest.
- First-aid measures after skin contact
- If this chemical contacts the skin, promptly wash the contaminated skin with water. If this chemical penetrates the clothing, promptly remove the clothing and wash the skin with water. If irritation persists after washing, get medical attention.
- First-aid measures after eye contact
- If this chemical contacts the eyes, immediately wash (irrigate) the eyes with large amounts of water, occasionally lifting the lower and upper lids. Get medical attention immediately.
- First-aid measures after ingestion
- If this chemical has been swallowed, get medical attention immediately.
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
- Vapor is heavier than air and may travel considerable distance to source of ignition and flash back.
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. Use appropriate protective equipment.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Personal protection: filter respirator for organic gases and vapours adapted to the airborne concentration of the substance. Collect leaking liquid in sealable air tight containers. Absorb remaining liquid in sand or inert absorbent. Then store and dispose of according to local regulations.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Use in a fume hood. Avoid contact with skin and eyes. Use appropriate personal protective equipment.
- 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 strong oxidants, strong acids and incompatible materials. Cool. Dry. Well closed. Keep in the dark. Store only if stabilized. Store in an area without drain or sewer access.
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
- Faint pleasant odor
- Odour threshold
- No data available
- pH value
- No data available
- Relative evaporation rate (butylacetate=1)
- No data available
- Melting point
- 11.75 °C
- Freezing point
- No data available
- Boiling point
- 101.2 °C
- Flash point
- 65 °F (18.3 °C) (Open cup)
- Auto-ignition temperature
- Autoignition temperature, 356 °F, (180 °C)
- Decomposition temperature
- No data available
- Flammability (solid, gas)
- Flammable liquid
- Vapour pressure
- 38.1 mm Hg at 25 °C
- Relative vapour density at 20°C
- 3.03 (Air = 1)
- Density
- 1.0337 g/cu cm at 20 °C
- Solubility
- In water, >800 g/L at 25 °C
- Log Pow
- -0.27
- Viscosity, kinematic
- No data available
- Viscosity, dynamic
- No data available
- Explosive properties
- No data available
- Oxidising properties
- No data available
- Explosive limits
- 1.8 - 11.8% (v/v) in air
10.1 — Reactivity
- Reactivity
- Stable under normal conditions, but may form peroxides upon prolonged storage.
10.2 — Chemical stability
- Chemical stability
- Stable under recommended storage conditions. Test for peroxide formation before distillation or evaporation.
10.3 — Possibility of hazardous reactions
- Possibility of hazardous reactions
- The substance can form explosive peroxides on exposure to air. Reacts with oxidants and strong acids. Reacts violently with some catalysts.
10.4 — Conditions to avoid
- Conditions to avoid
- Avoid contact with incompatible materials and excessive heat.
10.5 — Incompatible materials
- Incompatible materials
- Strong oxidizers, strong acids, and bases.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- When heated to decomposition it emits acrid smoke and irritating fumes.
11.1 — Information on toxicological effects
- Acute toxicity
- LD50 Guinea pig oral 3150 mg/kg; LD50 Rabbit oral 2000 mg/kg; LD50 Rabbit dermal 7600 mg/kg
- Skin corrosion/irritation
- Not classified (based on available data)
- Serious eye damage/irritation
- H319: Causes serious eye irritation
- Respiratory or skin sensitisation
- Not classified (based on available data)
- Germ cell mutagenicity
- Not classified (based on available data)
- Carcinogenicity
- H351: Suspected of causing cancer
- Specific target organ toxicity (single exposure)
- H335: May cause respiratory irritation
- 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 1165
- UN-No. (IMDG)
- UN 1165
- UN-No. (IATA)
- UN 1165
- UN-No. (ADN)
- UN 1165
- UN-No. (RID)
- UN 1165
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- 1,4-Dioxane
- Proper Shipping Name (IMDG)
- 1,4-Dioxane
- Proper Shipping Name (IATA)
- 1,4-Dioxane
- Proper Shipping Name (ADN)
- 1,4-Dioxane
- Proper Shipping Name (RID)
- 1,4-Dioxane
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 3
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 a versatile solvent in organic synthesis, particularly for reactions requiring both aqueous and organic solubility. It is also employed in the extraction and purification of various compounds.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL00645
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 88.11 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | ≥ 98% | 98.5% |
| Density | 1.030 - 1.040 g/mL | 1.034 g/mL |
| Boiling Point | 100 - 102 °C | 101 °C |
| 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 98% For Synthesis grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 98% For Synthesis | ≥ 98% | m.p. 11.75 °C; b.p. 101.2 °C | ≤ 0.5% | ≤ 0.1% | None detected | In water, >800 g/L at 25 °C |
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