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Chromic Acid

Chromic Acid

CAS Number: 7738-94-5

Molecular Formula: CrH2O4

Purity: 99.9% Chromic acid

About Chromic Acid

Chromium trioxide is increasingly specified by aerospace OEMs and tier 1 defense contractors for high purity fine chemicals applications, where its exceptional oxidizing properties are critical for specialized functional electroplating and surface passivation to achieve robust corrosion resistance. Concurrently, anhydr...

Chromic Acid Specifications

CAS Number
7738-94-5
Molecular Formula
CrH2O4
Molecular Weight
118.01 g/mol
IUPAC Name
dihydroxy(dioxo)chromium
Canonical SMILES
O[Cr](=O)(=O)O
InChI Key
KRVSOGSZCMJSLX-UHFFFAOYSA-L
InChI
InChI=1S/Cr.2H2O.2O/h;2*1H2;;/q+2;;;;/p-2
EINECS Number
231-801-5
Molecular Weight
118.01 g/mol
Purity/Assay
99.9% Chromic acid
Physical State
Dark-red, odorless flakes or powder
Melting point
196 °C (decomposes)
Boiling Point
250 °C (decomposes)
Freezing Point
387°F (decomposes)
Flash Point
Noncombustible
Hazard Classes and Categories
Ox. Sol. 1 (26.7%) & Muta. 2 (21.8%) Acute Tox. 2 (32.7%) & Acute Tox. 3 (16.8%) & Acute Tox. 1 (46.5%) & Aquatic Acute 1 (88.1%) & Aquatic Chronic 1 (100%) Skin Corr. 1A (38.6%) & Skin Sens. 1 (100%) & Eye Dam. 1 (22.8%) Acute Tox. 2 (48.5%) & Resp. Sens. 1 (48.5%) & Muta. 1A (27.7%) Carc. 1B (100%) & Repr. 2 (49.5%) & STOT RE 1 (27.7%)
GHS Hazard Statements
H271 (26.7%), H300 (32.7%), H301 (16.8%), H310 (46.5%), H314 (38.6%), H317 (100%), H318 (22.8%), H330 (48.5%), H334 (48.5%), H340 (27.7%), H341 (21.8%), H350 (100%), H361 (49.5%), H372 (27.7%), H400 (88.1%), H410 (100%),

Metal Finishing and Electroplating

An intermediate used in chromium plating to manufacture metal and plastic coatings with a strong, tarnish-resistant, chrome finish

Industrial Cleaning and Degreasing

A powerful oxidizing agent used for removing corrosion from magnesium, treating aluminum, and removing organic residues from industrial equipment

Ceramic and Glass Manufacturing

A raw material used in the production of ceramic glazes and colored glass

Laboratory Reagent

A cleaning fluid and qualitative analytical reagent used to clean glassware and detect the presence of aldehydes and primary or secondary alcohols

Chromic Acid FAQs

Minimum Order Quantity

25 kg (evaluation) · 1 MT (commercial)

Lead Time

3 – 5 weeks estimated

Delivery Terms

FOB*

Packaging

20 L pails, 200 L HDPE drums, 1000 L IBC

US Availability

US Facility Inventory

Documentation

US SDS · COA · TDS · Specification sheet

US Regulatory & Quality Information

TSCA status*

US SDS / HazCom*

GHS classification*

ISO 9001:2015 site*

DOT shipping classification*

FDA status*

EPA status*

California Prop 65*

Reliable US supply chain

Regulatory compliance

On-time delivery

Technical expert support

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