Pyridinium chlorochromate
- CAS Number
- 26299-14-9
- HSN Code
- 29333100
- Molecular Formula
- C5H5NClCrO3H
- Catalogue Number
- AL1279F
- Purity
- ≥ 98%
- Molecular Weight
- 215.56 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Pyridinium chlorochromate (PCC, extra pure) is a highly regarded mild oxidant in organic chemistry, particularly known for its ability to selectively oxidize primary alcohols to aldehydes without further oxidation to carboxylic acids. This compound is characterized by its unique structure, which includes a pyridinium cation and a chlorochromate anion, making it an effective reagent in various organic synthesis applications. With a purity of 98%, it is suitable for high-precision laboratory work and is widely utilized in both academic and industrial settings. Its CAS number is 26299-14-9, and it is classified under the HS Code 29333100, indicating its chemical nature and regulatory status.
Also known as PCC, Pyridinium dichromate.
- Catalogue No.
- AL1279F
- CAS Number
- 26299-14-9
- Molecular Formula
- C5H5NClCrO3H
- Molecular Weight
- 215.56 g/mol
- HSN Code
- 29333100
- Grade
- 98% Extra Pure
- Product Form
- Substance
Pyridinium chlorochromate appears as an orange-yellow crystalline solid, which is indicative of its chromium content. It has a melting point of approximately 100-102 °C and is slightly soluble in water, with solubility reported at around 0.5 g/L at 20 °C. The compound has a density of about 1.5 g/cm³, which contributes to its handling characteristics in laboratory environments. Its strong oxidizing properties are a result of the hexavalent chromium present in its structure, which is crucial for its reactivity in organic synthesis.
- Appearance
- Orange-yellow crystalline solid
- Shelf Life
- Stable under recommended storage conditions
- Packaging
- Available in 100 g and 500 g glass bottles
- Storage
- Store in a cool, dry place, away from incompatible materials.
1.1 — Product identifier
- Chemical Name
- Pyridinium chlorochromate
- Catalogue No.
- AL1279F
- Product form
- Substance
- CAS Number
- 26299-14-9
- EC Number
- 247-815-0
- Grade
- 98% Extra Pure
- EC Index Number
- 246-007-0
- Chemical Formula
- C5H5NClCrO3H
- HSN Code
- 29333100
- Synonyms
- PCC, Pyridinium dichromate
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Mild oxidant 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
2.3 — Other hazards
- Other hazards
- Toxic if inhaled or ingested; may cause skin and eye irritation.
3.1 — Substance
- Name
- Pyridinium chlorochromate
- CAS No.
- 26299-14-9
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. 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 and 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
- Irritation of the respiratory tract, skin, and eyes; potential for systemic toxicity due to hexavalent chromium.
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
- Oxidizer; may cause or enhance combustion of other materials.
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
- Contain and collect spillage. Dispose of in accordance with local regulations.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Handle with gloves and in a fume hood. Avoid contact with skin and eyes.
- 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 heat and 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 ventilation is inadequate.
9.1 — Information on basic physical and chemical properties
- Physical state
- Solid
- Colour
- Orange-yellow
- Odour
- Odourless
- Odour threshold
- Not applicable
- pH value
- Not applicable
- Relative evaporation rate (butylacetate=1)
- Not applicable
- Melting point
- 100-102 °C
- Freezing point
- Not applicable
- Boiling point
- Not applicable
- 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
- 1.5 g/cm³
- Solubility
- 0.5 g/L in water at 20 °C
- Log Pow
- Not applicable
- Viscosity, kinematic
- Not applicable
- Viscosity, dynamic
- Not applicable
- Explosive properties
- Not explosive
- Oxidising properties
- Strong oxidizer
- Explosive limits
- Not applicable
10.1 — Reactivity
- Reactivity
- Stable under normal conditions; reacts with strong reducing agents.
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 reducing agents, organic materials, and acids.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- Not specified
11.1 — Information on toxicological effects
- Acute toxicity
- Toxic if inhaled or ingested; LD50 (oral, rat) > 2000 mg/kg.
- Skin corrosion/irritation
- Causes skin irritation.
- Serious eye damage/irritation
- Causes serious eye irritation.
- Respiratory or skin sensitisation
- May cause allergic skin reactions in sensitive individuals.
- 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)
- UN 1479
- UN-No. (IMDG)
- UN 1479
- UN-No. (IATA)
- UN 1479
- UN-No. (ADN)
- UN 1479
- UN-No. (RID)
- UN 1479
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Pyridinium chlorochromate
- Proper Shipping Name (IMDG)
- Pyridinium chlorochromate
- Proper Shipping Name (IATA)
- Pyridinium chlorochromate
- Proper Shipping Name (ADN)
- Pyridinium chlorochromate
- Proper Shipping Name (RID)
- Pyridinium chlorochromate
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 5.1
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
Pyridinium chlorochromate is primarily used in organic synthesis as a mild and selective oxidant, particularly for the conversion of primary alcohols to aldehydes. This reaction is significant in the synthesis of various organic compounds, including pharmaceuticals and fine chemicals, where over-oxidation must be avoided. Additionally, PCC is employed in the oxidation of secondary alcohols to ketones and can be used in the preparation of other oxidized functional groups. Its applications extend to the fields of medicinal chemistry, agrochemicals, and materials science, where precise oxidation reactions are essential.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL1279F
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 215.56 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | ≥ 98% | 98.5% |
| Moisture Content | ≤ 1% | 0.5% |
| Residue on Ignition | ≤ 0.5% | 0.3% |
| Related Substances | None detected | None detected |
| Solubility | 0.5 g/L in water at 20 °C | 0.5 g/L in water at 20 °C |
The above product is expected to comply with 98% Extra Pure grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 98% Extra Pure | ≥ 98% | 100-102 °C | ≤ 1% | ≤ 0.5% | None detected | 0.5 g/L in water at 20 °C |
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