Technical Data Sheet

Potassium Dichromate - Technical Grade

CAS Number
7778-50-9
Alliance Code
potassium-dichromate-sodium-bichromate-technical-grade
Generated
2026-06-02
Last reviewed 2026-05-20 by Hossein Taki, Vice President.

1. Identity & Composition

Product Name
Potassium Dichromate - Technical Grade
Alliance Code
potassium-dichromate-sodium-bichromate-technical-grade
Grade
Concentration
CAS Number
7778-50-9PubChem
Formula
Cr2K2O7PubChem
Molecular Weight
294.18PubChem
Product Type
pure_substance

Physical & Chemical Properties

One or more physical-property values are temporarily suppressed pending verification against vendor COA data. For complete properties refer to the Safety Data Sheet (SDS) or contact sales@alliancechemical.com.

Form
SolidProduct record
Odor
Odorless, no distinctive odorProduct record
Density
2.676 at 77 °F (USCG, 1999) - Denser than water; will sinkProduct record
Boiling Point
Decomposes at 932 °F (NTP, 1992)Product record
Melting Point
748 °F (NTP, 1992)Product record
Flash Point
N/AProduct record
Solubility (water)
10 to 50 mg/mL at 68 °F (NTP, 1992)Product record

Regulatory & Transport

DOT / 49 CFR

UN Number
UN3086Vendor Label
Hazard Class
6.1Adjudicated
Packing Group
IIAdjudicated
Proper Shipping Name
Toxic solid, oxidizing, n.o.s. (Potassium dichromate)Adjudicated

GHS / OSHA HazCom 2012

Signal Word
DangerAdjudicated
H-Codes (Hazard Statements)
unknown
P-Codes (Precautionary Statements)
unknown

Occupational Exposure Limits

OSHA PEL (29 CFR 1910.1000)
unknown
ACGIH TLV
unknown
NIOSH REL
unknown
NIOSH IDLH
unknown

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 Potassium Dichromate - Technical Grade. Every file included is SHA-256 hashed and listed in a manifest your QA team can audit.

Download audit packet

Application Guidance

Potassium Dichromate - Technical Grade application guidance is available on request. Contact Alliance Chemical Technical Services for grade-specific use recommendations.

    Storage & Handling

    Recommended Storage
    Cool, dry, well-ventilated area in original sealed containers. Refer to product SDS for material-specific guidance.
    Handling Precautions
    Use standard chemical PPE — splash goggles, gloves, lab coat. Refer to SDS for hazard-specific PPE requirements.
    Incompatibilities
    Consult the SDS for material-specific incompatibilities.
    Shelf Life
    24 months from date of manufacture in sealed, original packaging

    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)

    UN3086, Toxic solid, oxidizing, n.o.s. (Potassium dichromate), 6.1, PG II

    Sourced from 49 CFR 172.101. Confirm against shipping documents and carrier requirements before tender.

    NMFC Class
    65
    Placard
    Toxic
    Packing Group
    PG II

    Revision History

    Last reviewed 2026-05-20 by Hossein Taki, Vice President (Vice President, Alliance Chemical · CAGE Code 1LT50 · DOT Hazmat Registrant #2188383).

    VersionDateChangeTrigger
    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.