Industrial chemicals · Taylor, TXTechnical Data Sheet
Technical Data Sheet
Perchloroethylene (PCE, PERC)
Technical
- CAS number
- 127-18-4
- UN number
- UN1897
- Hazard class · packing group
- 6.1 · PG III
- Structure
Structure · PubChem - Grade
- Technical
- Signal word
- Danger
- Hazards
- Proper shipping name
- Tetrachloroethylene
Last reviewed 2026-07-17 by Andre Taki, Chief Commercial Officer.
Identity & Composition
- Product Name
- Perchloroethylene (PCE, PERC)
- Alliance Code
- perchloroethylene-pce-perc
- Grade
- Technical
- Concentration
- —
- CAS Number
- 127-18-4PubChem
- Formula
- C2Cl4PubChem
- Molecular Weight
- —PubChem
- Product Type
- Pure substance
Specifications
| Test | Specification | Typical | Method | Source |
|---|---|---|---|---|
| Assay (Perchloroethylene, stabilizer-free basis) | 99.9 % by weight min. | 99.96 % by weight | — | Interpreted |
| Acid acceptance (as NaOH) | 0.20 % by weight min. | 0.28 % by weight | — | Interpreted |
| Distillation range | 120.0 - 122.0 °C | 120.9 °C | — | Interpreted |
| Soluble chloride | 1.0 ppm max. | 0.07 ppm | — | Interpreted |
| Color | 15 Pt-Co max. | 8 | — | Interpreted |
| Copper corrosion | Passes Test | Passes test | — | Interpreted |
| Free chlorine | None | Passes test | — | Interpreted |
| Free halogens | Passes Test | Passes test | ASTM D 4755 | Interpreted |
| Acidity-Alkalinity (pH) | 8.0 - 9.0 pH | 8.6 | — | Interpreted |
| Non-volatile residue | 25 ppm max. | 3.4 ppm | — | Interpreted |
| Spot or cleanliness | No spot or stain | Passes test | — | Interpreted |
| Water (H2O) | 30 ppm max. | 15 ppm | — | Interpreted |
| stabilizer as nh3 | 0.00006 - 0.002 % | 0.00102 % | — | Interpreted |
Values are reproduced from the current product reference. Source labels do not by themselves establish a supplier guarantee or a test result for your lot. Confirm applicable acceptance limits and request lot-specific documentation.
Physical & Chemical Properties
| Property | Value | Source |
|---|---|---|
| Appearance | Colorless liquid with a mild, sweet odor | Adjudicated |
| Form | Liquid | Published reference |
| Odor | Characteristic ethereal, no foreign odor | Interpreted |
| Specific Gravity | 1.62 at 25 °C (water = 1); sinks in water | Adjudicated |
| Density | 1.63 at 68 °F (USCG, 1999) - Denser than water; will sink | Published reference |
| Boiling Point | 121 °C (250 °F) at 760 mmHg | Adjudicated |
| Melting Point | -22 to -19 °C (-8 to -2 °F) | Adjudicated |
| Flash Point | No flash point in conventional closed tester. | Published reference |
| Vapor Pressure | 13–14 mmHg (1.7–1.8 kPa) at 20 °C | Adjudicated |
| Vapor Density | 5.8 (air = 1) | Adjudicated |
| Solubility (water) | 0.15 g/L in water at 20 °C (practically insoluble) | Adjudicated |
| Viscosity | 0.89 mPa·s at 20 °C | Adjudicated |
Materials of Construction
| Material | Rating | Conditions | Source |
|---|---|---|---|
| stainless steel | Compatible | neat perchloroethylene as shipped in bulk; source states no concentration or temperature limit | oxychem.com |
Compatibility is drawn from published manufacturer and supplier documentation for this product; each rating is sourced. Confirm against your specific duty cycle before equipment selection.
Regulatory & Transport
DOT / 49 CFR
- UN Number
- UN1897Adjudicated
- Hazard Class
- 6.1Adjudicated
- Packing Group
- IIIAdjudicated
- Proper Shipping Name
- TetrachloroethyleneAdjudicated
GHS / OSHA HCS 2024
- Signal Word
- DangerAdjudicated
- H-Codes (Hazard Statements)
- H315, H317, H319, H336, H350, H370, H373, H411Adjudicated
- P-Codes (Precautionary Statements)
- P201, P202, P260, P264, P270, P272, P273, P280, P302+P352, P305+P351+P338, P308+P311, P308+P313, P312, P314, P321, P332+P313, P333+P313, P337+P313, P362, P391, P405, P501Adjudicated
Occupational Exposure Limits
- OSHA PEL (29 CFR 1910.1000)
- 100 ppm TWA / 200 ppm acceptable ceiling / 300 ppm 5-min peakOSHA 29 CFR 1910.1000
- ACGIH TLV
- 25 ppm TWA / 100 ppm STEL (A3: confirmed animal carcinogen)Adjudicated
- NIOSH REL
- Ca (carcinogen — minimize occupational exposure)NIOSH Pocket Guide
- NIOSH IDLH
- 150 ppmNIOSH Pocket Guide
Transport descriptions reflect 49 CFR 172.101 lookup at time of publication. Sourced data: NIOSH Pocket Guide for REL/IDLH, OSHA Z-Tables for PEL. Always verify against the latest regulatory text before shipment-critical decisions.
Health & Fire Hazard
Acute Toxicology
- LD₅₀ Oral (rat)
- 2,629 mg/kgAdjudicated
- LD₅₀ Dermal (rabbit)
- > 3,228 mg/kgAdjudicated
- LC₅₀ Inhalation (rat, 4 h)
- 27.8 mg/L (vapor)Adjudicated
Acute toxicology values from SDS Section 11 or NIOSH RTECS.
Supplier Qualification Packet
One zipped download containing the TDS, SDS, latest lot COA (when available), and a fresh Letter of Continuing Guaranty for Perchloroethylene (PCE, PERC). Every file included is SHA-256 hashed and listed in a manifest your QA team can audit.
Applications
- Supplied as an all-purpose / degreasing solvent grade of perchloroethylenewestlake.com
Applications are drawn from published manufacturer and supplier documentation; each is sourced. Suitability for a specific use is the buyer's to confirm.
Storage & Handling
- Recommended Storage
- Keep containers tightly closed in a cool, dry, well-ventilated place, protected from sunlight and moisture. Do not store in aluminum containers. Keep away from strong bases, reactive metals and oxidizers. Store locked up.Adjudicated
- Handling Precautions
- Use standard chemical PPE — splash goggles, gloves, lab coat. Refer to SDS for hazard-specific PPE requirements.Class-level guidance — not product-specific; the SDS controls.
- Incompatibilities
- Strong oxidizers, strong acids and bases, reactive and finely divided metals (aluminum, zinc, alkali metals), amines, peroxides, oxygen.Adjudicated
- Shelf Life
- Consult Technical Services for product-specific shelf life
For full hazard, PPE, and emergency response guidance, refer to the Safety Data Sheet (SDS) for this product. The SDS controls in all cases where guidance differs.
Packaging & Logistics
Shipping Description (US DOT)
UN1897, Tetrachloroethylene, 6.1, PG III
Sourced from 49 CFR 172.101. Confirm against shipping documents and carrier requirements before tender.
NMFC Class
70
Placard
Toxic
Packing Group
PG III
Revision History
Last reviewed 2026-07-17 by Andre Taki, Chief Commercial Officer, DOT Hazmat–certified (49 CFR 172.704).
| Version | Date | Change | Trigger |
|---|---|---|---|
| 1.9 | 2026-10-13 | Canonical data updated: 1 field changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.8 | 2026-10-08 | Canonical data updated: 3 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.7 | 2026-10-07 | Canonical data updated: 3 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.6 | 2026-10-06 | Canonical data updated: 20 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.5 | 2026-10-05 | Canonical data updated: 2 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.4 | 2026-09-30 | Canonical data updated: 3 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.3 | 2026-07-22 | Canonical data updated: 2 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.2 | 2026-07-17 | Canonical data updated: 4 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.1 | 2026-07-17 | Canonical data re-verified: 6 fields updated against independent vendor SDSs, CLP Annex VI, 49 CFR, and OSHA HazCom 2024 (GHS classification, hazard/precautionary codes, signal word, physical properties as applicable).
| canonical_change |
| 1.0 | 2026-05-20 | Initial URL-first TDS published from canonical chemistry registry. | initial |
This Technical Data Sheet is provided for technical reference. The Safety Data Sheet (SDS) controls in all cases where guidance differs. Values reflect Alliance Chemical canonical data at time of generation; subsequent revisions are recorded in the Revision History above.