Industrial chemicals · Taylor, TXTechnical Data Sheet
Perchloroethylene ACS Grade
ACS Grade
- CAS number
- 127-18-4
- UN number
- UN1897
- Hazard class · packing group
- 6.1 · PG III
- Structure
Structure · PubChem - Grade
- ACS Grade
- Signal word
- Danger
- Hazards
- Proper shipping name
- Tetrachloroethylene
Identity & Composition
- Product Name
- Perchloroethylene ACS Grade
- Alliance Code
- perchloroethylene-acs-grade
- Grade
- ACS Grade
- Concentration
- —
- CAS Number
- 127-18-4PubChem
- Formula
- —PubChem
- Molecular Weight
- —PubChem
- Product Type
- Pure substance
Specifications
| Test | Specification | Typical | Method | Source |
|---|---|---|---|---|
| Assay (C2Cl4) | ≥99.0% C2Cl4 | 99.97 % | Gas chromatography; Type I, methyl silicone column | Interpreted |
| Color (APHA) | APHA: ≤10 | 5 | — | Interpreted |
| Residue after evaporation | ≤0.0005 % | 0.00009 % | — | Interpreted |
| Ultraviolet absorbance at 300 nm | 1.0 AU | 1.0 AU | Ultraviolet Spectrophotometry | Interpreted |
| Ultraviolet absorbance at 305 nm | 0.2 AU | 0.2 AU | Ultraviolet Spectrophotometry | Interpreted |
| Ultraviolet absorbance at 350 nm | 0.05 AU | 0.05 AU | Ultraviolet Spectrophotometry | Interpreted |
| Ultraviolet absorbance at 400 nm | 0.03 AU | 0.03 AU | Ultraviolet Spectrophotometry | Interpreted |
| Water (H2O) | ≤0.05 % | 0.009 % | — | Interpreted |
| Identification (FTIR) | Conforms to reference spectrum of tetrachloroethylene | Passes test | FTIR-ATR, comparison to reference spectrum | Interpreted |
| Titrable acid | 0.0005 meq/g max. | 0.000020 meq/g | Potentiometric titration with 0.01 N NaOH | Interpreted |
| Free halogens (as Cl) | Passes test | Passes test | Potassium iodide - starch test | 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, volatile liquid | Adjudicated |
| Form | Liquid | Published reference |
| Odor | Ether-like odor | Published reference |
| Specific Gravity | 1.62 at 25 °C (water = 1); sinks in water | Adjudicated |
| Density | 1.619 - 1.626 g/mL | Interpreted |
| 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 |
| Refractive Index (nD 20) | 1.5045 - 1.5065 | Interpreted |
| 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
- UN189749 CFR 172.101
- 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 ACS Grade. Every file included is SHA-256 hashed and listed in a manifest your QA team can audit.
Applications
Industrial solvent and chemical intermediate, only for the uses still permitted under TSCA section 6 (40 CFR Part 751); see Section 15.Adjudicated
Restrictions on Use: After December 8, 2026 this chemical substance (as defined in TSCA section 3(2))/product cannot be distributed in commerce to retailers for any use. After March 8, 2027, this chemical substance (as defined in TSCA section 3(2))/product is and can only be distributed in commerce or processed with a concentration of PCE equal to or greater than 0.1% by weight for the following purposes: (1) Processing as a reactant/intermediate; (2) Processing into formulation, mixture or reaction product; (3) Processing by repackaging; (4) Recycling; (5) Industrial and commercial use as solvent in open-top batch vapor degreasing; (6) Industrial and commercial use as solvent in closed-loop batch vapor degreasing; (7) Industrial and commercial use in maskant for chemical milling; (8) Industrial and commercial use as a processing aid in catalyst regeneration in petrochemical manufacturing; (9) Industrial and commercial use as a processing aid in sectors other than petrochemical manufacturing; (10) Industrial and commercial use as solvent for cold cleaning of tanker vessels; (11) Industrial and commercial use as energized electrical cleaner; (12) Industrial and commercial use in laboratory chemicals; (13) Industrial and commercial use in solvent-based adhesives and sealants; (14) Industrial and commercial use in dry cleaning in 3rd generation machines until December 20, 2027; (15) Industrial and commercial use in all dry cleaning and related spot cleaning until December 19, 2034; (16) Export; and (17) Disposal.
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.
Revision History
Last reviewed 2026-07-17 by Andre Taki, Chief Commercial Officer, DOT Hazmat–certified (49 CFR 172.704).
| Version | Date | Change | Trigger |
|---|---|---|---|
| 1.10 | 2026-10-13 | Canonical data updated: 1 field changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.9 | 2026-10-08 | Canonical data updated: 3 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.8 | 2026-10-07 | Canonical data updated: 3 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.7 | 2026-10-06 | Canonical data updated: 20 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.6 | 2026-10-05 | Canonical data updated: 2 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.5 | 2026-09-30 | Canonical data updated: 3 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.4 | 2026-08-05 | Canonical data updated: 1 field 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.