Chlorocyclopentane (Cyclopentyl Chloride ) CAS 930-28-9 Full Export Specification
1. Basic Chemical Identification
- IUPAC Name: Chlorocyclopentane
- Aliases: Cyclopentyl chloride, Monochlorocyclopentane,
- CAS No.: 930-28-9
- EINECS: 213-212-5
- MDL No.: MFCD00001360
- Molecular Formula: \(\boldsymbol{C_5H_9Cl}\)
- Molecular Weight: 104.58
- SMILES: ClC1CCCC1
- HS Code: 2903890090
- UN Number: UN 1993
- IMDG Hazard Class: Class 3 Highly Flammable Liquid, Packing Group II
- Signal Word: Danger
- Regulatory Note: Halogenated cycloalkane, skin/respiratory irritant, aquatic hazardous substance, static explosion risk, TSCA registered
2. Physical & Chemical Properties
- Appearance: Clear colorless mobile liquid, pungent chloroform-like halogen odor
- Melting Point: −50 ℃
- Boiling Point: 113–114.3 ℃ @760 mmHg
- Density (20 ℃): 1.004–1.006 g/mL, slightly heavier than water, sinks to water bottom
- Refractive Index \(n_{20}^D\): 1.4510–1.4520
- Closed-cup Flash Point: 16 ℃ (low flash, highly flammable)
- Autoignition Temperature: 390 ℃
- Explosion Limit in Air: 1.1 ~ 7.8 vol%
- Vapor Pressure: 18–24 mbar @20 ℃; vapor density 3.61 (heavier than air, accumulates low ground)
- Solubility: Slightly soluble in water (~0.8 g/L @20 ℃); fully miscible with ethanol, acetone, ether, toluene, xylene, aliphatic/halogenated hydrocarbon solvents
- Stability
- Stable under dry nitrogen blanketing; slow hydrolysis under high temperature & strong alkaline condition to generate cyclopentanol + HCl
- Secondary cycloalkyl chloride, active for SN1/SN2 nucleophilic substitution, metal coupling, elimination to cyclopentene
- Incompatible with strong oxidants, strong alkalis, aluminum powder, hot concentrated acids
- Core GHS Hazards
- H225: Highly flammable liquid and vapor; static sparks easily trigger combustion/flashback
- H315: Causes severe skin irritation; H319: Permanent eye damage
- H335: Irritates respiratory tract; high vapor induces headache, nausea
- H341: Suspected of causing genetic defects
- H412: Harmful to aquatic life with long-term bioaccumulation risk
3. Standard COA Technical Specifications
Industrial Synthetic Intermediate Grade ≥99.0% (Main Bulk Export Grade)
| Test Item | Standard Specification |
| Chlorocyclopentane Purity (GC) | ≥99.0 wt% |
| Cyclopentane / Cyclopentene / Dichlorocyclopentane total impurities | ≤0.70% |
| Moisture Content | ≤60 ppm |
| Color (APHA fresh sealed liquid) | ≤10 water-white clear |
| Hydrolyzable Chloride (free HCl) | ≤0.003% |
| Acidity (as HCl) | ≤0.002% |
| Evaporation Residue | ≤0.001% |
| Heavy Metals (Pb) | ≤5 ppm |
High-Purity Pharmaceutical / Reagent Grade ≥99.8%
Ultra-low olefin & dihalogen impurities, ultra-dry; for lab cross-coupling catalyst research, chiral cyclopentyl drug intermediate, GC calibration standard
4. Main Industrial Applications
1. Cyclopentyl Skeleton Fine Chemical Core Building Block (Largest Consumption)
Active alkyl halide raw material for nucleophilic substitution synthesis:
- Pharmaceutical APIs: Antiviral, anti-tumor, central nervous system drugs containing cyclopentyl group (cyclopentylamine, cyclopentanol derivatives)
- Agrochemicals: Cyclopentyl herbicides, pyrethroid insecticides, crop fungicide intermediates
- Organometallic synthesis: Grignard reagent cyclopentylmagnesium chloride, palladium cross-coupling reaction substrate
2. Specialty Organic Solvent
- Medium-boiling inert solvent for resin, wax, polymer additive dissolution
- Precision metal parts degreasing auxiliary, low-residue cleaning solvent for rubber compound mold residue
3. Laboratory Synthetic Standard Reagent
Classic secondary cycloalkyl halide substrate for SN1/SN2 substitution, elimination, metal complex coordination organic mechanism research
4. Polymer Modification Monomer Precursor
Precursor for cyclopentyl functional acrylic resin, improves coating low-temperature flexibility and weather resistance
5. Export Packaging & Storage Transportation
Standard Packing Options
- Industrial bulk: 200L anti-static carbon steel drum, vacuum nitrogen-blanketed PTFE airtight cap, net weight ~201kg/drum
- 1000L anti-static HDPE IBC tank for factory continuous feeding
- Lab small packing: 1L / 2.5L thick-wall amber pressure-resistant glass bottle with nitrogen protection
All pallets fixed with anti-vibration steel strapping, fully wrapped waterproof flame-retardant composite film; transit temperature strictly controlled ≤20 ℃, avoid sunlight, collision and static friction
Storage Mandatory Warehouse Rules
- Independent dedicated Class3 PG II flammable liquid warehouse, full explosion-proof negative-pressure ventilation, indoor temperature <25 ℃, no underground low-lying pits
- All drums fully nitrogen-sealed to block moisture hydrolysis and color darkening
- Strict segregate from oxidant tanks, alkaline liquids, metal powders, food raw materials & edible goods
- Equipped with continuous halogenated hydrocarbon flammable vapor concentration alarm, CO₂ & dry powder fire suppression system, static grounding facilities
Ocean Transport Rules (IMDG UN1993)
- Only dedicated anti-static halogenated solvent tank containers allowed; mixed loading with oxidants, corrosive liquids, edible goods completely forbidden
- Containers pre-dried & inert gas purged before loading; full set of flammable dangerous goods export documents mandatory for global customs clearance
6. GHS Full Hazard Statements & Mandatory PPE
Hazard Statements
- H225: Highly flammable liquid and vapor
- H315: Causes skin irritation
- H319: Causes serious eye irritation
- H335: May cause respiratory irritation
- H341: Suspected of causing genetic defects
- H412: Harmful to aquatic life with long lasting effects
Mandatory PPE
- Half-face respirator with halogenated organic vapor filter cartridge; full-face positive-pressure SCBA for tank pumping & leakage emergency handling
- Double protection: fully sealed chemical safety goggles + full flame-retardant anti-impact splash face shield
- Double-layer thick nitrile solvent-resistant impermeable gloves
- Flame-retardant anti-static full-body protective coveralls + anti-static rubber safety boots
- Local negative-pressure explosion-proof closed fume hood for all sampling, pumping & feeding operations (open-air handling prohibited)
Spill & First Aid Emergency Treatment
- Spill disposal: Immediately evacuate all personnel, cut all ignition sources & static sparks; build sand barriers to contain liquid, absorb leakage with dry inert sand; collect waste into pressure-resistant airtight steel hazardous barrels; prohibit water flushing (liquid slightly heavier than water but vapor spreads explosion risk); residual absorbent sealed for professional incineration
- Skin contact: Remove contaminated clothes instantly, flush skin with soap and running water continuously ≥15 minutes
- Eye contact: Irrigate eyes with steady clean running water minimum 15 minutes, urgent ophthalmic treatment immediately
- Inhalation: Move victim to fully fresh air; if severe throat pain, dizziness, supply high-concentration oxygen and send to hospital
- Ingestion: Do NOT induce vomiting; drink plenty of clean water/milk and deliver to hospital with SDS document
7. Foreign Trade Selling Advantages
- Two grades available: industrial agro/pharma synthesis bulk grade & high-purity lab reagent grade, ultra-low olefin impurities to avoid side reactions in cyclopentyl drug manufacturing
- Vacuum nitrogen-blanketed airtight steel drum/IBC packaging, no hydrolysis acid mist leakage during long cross-ocean sea transit
- Complete Class3 PG II flammable dangerous goods export document set (COA, English SDS, UN packaging certificate, IMDG maritime declaration, certificate of origin, impurity inspection report)
- Flexible supply: small lab pressure bottles, 200L bulk drums, full FCL IBC shipments
- Exclusive cyclopentyl alkyl halide raw material, stable nucleophilic substitution activity, long-term supplier for global pesticide, antiviral pharmaceutical and fine chemical manufacturers
8. Full Set Export Supporting Documents
- Batch Certificate of Analysis (COA)
- English SDS Safety Data Sheet (halogenated cycloalkane flammable solvent special version)
- UN Dangerous Goods Packaging Qualification Certificate (UN1993)
- IMDG Maritime Dangerous Goods Declaration File (Class3 PG II)
- Certificate of Origin
- Olefin & moisture impurity compliance test report
