Industrial chemicals · Taylor, TX
Technical Data Sheet

Technical Data Sheet

Talc Powder - White Colored Technical Grade

Industrial

Alliance Code
industrial-talc-powder-gray-colored
Reviewed
2026-06-17
Revision
1.4
CAS number
14807-96-6
Structure
2D chemical structure of Talc Powder - White Colored Technical Grade
Structure · PubChem
Grade
Industrial
Signal word
Danger
Hazards
Health hazardH350
Last reviewed 2026-06-17 by Andre Taki, Chief Commercial Officer.

Identity & Composition

Product Name
Talc Powder - White Colored Technical Grade
Alliance Code
industrial-talc-powder-gray-colored
Grade
Industrial
Concentration
—
CAS Number
14807-96-6PubChem
Formula
—PubChem
Molecular Weight
—PubChem
Product Type
Pure substance

Specifications

TestSpecificationTypicalMethodSource
Aluminum and iron oxides (R2O3)6 % max0.7 %ASTM D 717, per ASTM D 605 section 5.1.1Interpreted
AsbestosFreePasses test—Interpreted
Calcium oxide (CaO)10 % max0.50 %ASTM D 717, per ASTM D 605 section 5.1.1Interpreted
Coarse particles (residue on 45-µm / No. 325 sieve)2 % max0.2 %ASTM D 717, per ASTM D 605 section 5.1.1Interpreted
Loss on ignition7 % max5.5 %ASTM D 1208 (Test Methods for Common Properties of Certain Pigments), per ASTM D 605 section 5.1.2Interpreted
Combined magnesium and calcium silicates (MgO + SiO2 + CaO)88 % min93.0 %ASTM D 717 (Test Methods for Analysis of Magnesium Silicate Pigment), per ASTM D 605 section 5.1.1Interpreted
Moisture and other volatile material1 % max0.15 %ASTM D 280 (Test Methods for Hygroscopic Moisture), per ASTM D 605 section 5.1.6Interpreted
Whiteness85 to 98 %92.1 %—Interpreted
Median particle size (d50)8 - 15 um12.0Laser diffraction, ISO 13320 (dry dispersion)Interpreted
Oil absorption25 - 45 g/100 g36ASTM D281 (spatula rub-out), linseed oilInterpreted
Crystalline silica (quartz)1.0 % max0.20 %X-ray diffraction, quantitative (reference intensity ratio)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

PropertyValueSource
AppearanceFine powder, soft textureAdjudicated
FormFine powderPublished reference
OdorOdorless.Published reference
pH8.5 - 10.0Interpreted
Specific Gravity (20 °C)2.70 - 2.85Interpreted
Density2.7 to 2.8 (NTP, 1992)Published reference
Boiling Point1744Published reference
Melting Point1700 to 1800 °F (NTP, 1992)Adjudicated
Vapor Pressure0 mmHg at 68 °F Essentially (NTP, 1992)Published reference
Solubility (water)less than 1 mg/mL at 70 °F (NTP, 1992)Published reference

Materials of Construction

MaterialRatingMax T (°C)NotesSource
Buna-N (NBR)
elastomer
Good60AcceptableCole-Parmer Chemical Compatibility
EPDM
elastomer
Excellent100Standard for brine gaskets.Parker O-ring Chemical Compatibility
Viton (FKM)
elastomer
Excellent100Preferred elastomerCole-Parmer Chemical Compatibility
Borosilicate Glass
glass ceramic
Excellent100Universally inert to salt solutions.Cole-Parmer Chemical Compatibility
Concrete (sealed)
glass ceramic
Good—Acceptable with epoxy coatingCole-Parmer Chemical Compatibility
304 stainless steel
metal
Fair25Pitting in chloride-rich serviceCole-Parmer Chemical Compatibility
316L Stainless Steel
metal
Good60Watch for chloride pitting above 60 °C in chloride salts.NACE Chloride Pitting Guidelines
Aluminium
metal
Poor—Pitting; not recommended for brineCole-Parmer Chemical Compatibility
Carbon steel
metal
Poor—Rapid rust in brineCole-Parmer Chemical Compatibility
FRP
thermoplastic
Excellent60Common bulk-storageCole-Parmer Chemical Compatibility
HDPE
thermoplastic
Excellent60Universal salt brine compatibility.Cole-Parmer Chemical Compatibility
PP
thermoplastic
Excellent80Acceptable for hot brineCole-Parmer Chemical Compatibility
PVC
thermoplastic
Excellent60Standard for brine piping.Cole-Parmer Chemical Compatibility

Ratings reflect the service envelope (concentration × temperature) shown. Always confirm against your specific duty cycle and contact-time before equipment selection. The most cautious rating across overlapping references is shown.

Materials Selection Tool

Showing 13 of 13 material ratings within the selected envelope.

MaterialRatingMax T (°C)Notes
Buna-N (NBR)
elastomer
Good60Acceptable
EPDM
elastomer
Excellent100Standard for brine gaskets.
Viton (FKM)
elastomer
Excellent100Preferred elastomer
Borosilicate Glass
glass ceramic
Excellent100Universally inert to salt solutions.
Concrete (sealed)
glass ceramic
Good—Acceptable with epoxy coating
304 stainless steel
metal
Fair25Pitting in chloride-rich service
316L Stainless Steel
metal
Good60Watch for chloride pitting above 60 °C in chloride salts.
Aluminium
metal
Poor—Pitting; not recommended for brine
Carbon steel
metal
Poor—Rapid rust in brine
FRP
thermoplastic
Excellent60Common bulk-storage
HDPE
thermoplastic
Excellent60Universal salt brine compatibility.
PP
thermoplastic
Excellent80Acceptable for hot brine
PVC
thermoplastic
Excellent60Standard for brine piping.

Regulatory & Transport

DOT / 49 CFR

UN Number
Not regulatedAdjudicated
Hazard Class
Not regulatedAdjudicated
Packing Group
Not regulatedAdjudicated
Proper Shipping Name
Not regulatedAdjudicated

GHS / OSHA HazCom 2012

Signal Word
DangerAdjudicated
H-Codes (Hazard Statements)
H350Adjudicated
P-Codes (Precautionary Statements)
P201, P202, P280, P308+P313, P405, P501Adjudicated

Occupational Exposure Limits

OSHA PEL (29 CFR 1910.1000)
20 mppcf TWAOSHA 29 CFR 1910.1000
ACGIH TLV
—no canonical
NIOSH REL
2 mg/m³ TWA (respirable)NIOSH Pocket Guide
NIOSH IDLH
1000 mg/m³NIOSH Pocket Guide

Transport descriptions reflect 49 CFR 172.101 lookup at time of publication. Sourced data: ECHA CLP Annex VI for harmonised classifications, NIOSH Pocket Guide for REL/IDLH, OSHA Z-Tables for PEL. Always verify against the latest regulatory text before shipment-critical decisions.

Supplier Qualification Packet

One zipped download containing the TDS, SDS, latest lot COA (when available), and a fresh Letter of Continuing Guaranty for Talc Powder - White Colored Technical Grade. Every file included is SHA-256 hashed and listed in a manifest your QA team can audit.

Download audit packet

Applications

  • Talc is used as a lubricant, filler, reinforcement, electric and heat insulator, anti-stick and anti-cake agent, carrier, thickener and adsorbent.ranjanaminerals.com
  • Used as a filler in plastic compounds including polypropylene, polyamides and cable PVC.ranjanaminerals.com
  • Used in decorative paints, industrial coatings, pigment pastes, primers, enamels, adhesives and putties.ranjanaminerals.com
  • Used in papermaking as a filler, to control pitch and stickies, and in paper coating.ranjanaminerals.com
  • Used in detergent manufacturing, textiles, printing ink and the rubber industry, and as a filler raw material in chemical industries.ranjanaminerals.com
  • Natural hydrous magnesium silicate is processed into paint pigment (magnesium silicate pigment) quality, per ASTM D 605.pdfcoffee.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
Preserve in well-closed containers. No storage requirements specified.uspbpep.com
Handling Precautions
Standard chemical PPE — dust mask and goggles for handling of fine grades. Avoid generating airborne dust.Class-level guidance — not product-specific; the SDS controls.
Incompatibilities
Specific incompatibilities depend on the salt — consult the SDS. Many salts react with strong acids to release gases.Class-level guidance — not product-specific; the SDS controls.
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)

Not regulated for transport.

Confirm against shipping documents and carrier requirements before tender.

NMFC Class
70

Revision History

Last reviewed 2026-06-17 by Andre Taki, DOT Hazmat Specialist.

VersionDateChangeTrigger
1.42026-10-05Canonical data updated: 3 fields changed via the provenance/adjudication pipeline.
  • oel_niosh_rel· canonical change (coa.data_provenance / adjudication)
  • oel_idlh· canonical change (coa.data_provenance / adjudication)
  • oel_osha_pel· canonical change (coa.data_provenance / adjudication)
canonical_change
1.32026-10-02Canonical data updated: 4 fields changed via the provenance/adjudication pipeline.
  • signalWord· canonical change (coa.data_provenance / adjudication)
  • ghsClassification· canonical change (coa.data_provenance / adjudication)
  • hazard_h_codes· canonical change (coa.data_provenance / adjudication)
  • hazard_p_codes· canonical change (coa.data_provenance / adjudication)
canonical_change
1.22026-09-30Canonical data updated: 2 fields changed via the provenance/adjudication pipeline.
  • meltingPoint· canonical change (coa.data_provenance / adjudication)
  • appearance· canonical change (coa.data_provenance / adjudication)
canonical_change
1.12026-06-17Canonical data re-verified: 3 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).
  • countryOfOrigin· canonical adjudication / reground (coa.data_provenance)
  • dotSubsidiaryHazardClass· canonical adjudication / reground (coa.data_provenance)
  • hsCode· canonical adjudication / reground (coa.data_provenance)
canonical_change
1.02026-05-20Initial 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.