Chromic Acid (Chromium Trioxide, CrO3)
Dark red to purple-red crystalline flakes or powder, deliquescent; forms chromic acid on dissolution in water · CAS 1333-82-0
Overview
Chromic Acid (Chromium Trioxide, CrO3) (CAS 1333-82-0) is one of the acids & descalants products Suraj Chemicals supplies to industrial, institutional and manufacturing buyers across India from our Chennai base. It is commonly used for chrome-plating and electroplating bath makeup; metal surface treatment, anodising and etching; oxidising agent in organic synthesis and specialty-chemical manufacture, among other applications in the acids & descalants category. We pack Chromic Acid (Chromium Trioxide, CrO3) in 25/50 kg HDPE drums, and can arrange bulk, drum or tanker quantities for larger requirements — full characteristics, applications and downloadable documentation are below, or you can request a quote directly.
Specification Sheet — Characteristics
Download Specification Sheet (PDF)| Characteristics | Specifications |
|---|---|
| Assay (CrO3) | 99% Min |
| Moisture | 1% Max |
| Water Insolubles | 0.1% Max |
| Melting Point | ~197°C |
Values above are well-established typical/standard specification properties for this product, compiled from published technical references — not a batch-specific lab report. Figures can vary batch to batch — request a current certificate of analysis with your order.
Applications
- Chrome-plating and electroplating bath makeup
- Metal surface treatment, anodising and etching
- Oxidising agent in organic synthesis and specialty-chemical manufacture
Frequently Asked Questions
What is Chromic Acid (Chromium Trioxide, CrO3)?
Chromic Acid (Chromium Trioxide, CrO3) is supplied by Suraj Chemicals as dark red to purple-red crystalline flakes or powder, deliquescent; forms chromic acid on dissolution in water, identified by CAS number 1333-82-0. It falls under our Acids & Descalants range — see the Specification Sheet table above for its full characteristics.
What is Chromic Acid (Chromium Trioxide, CrO3) used for?
Typical applications include: Chrome-plating and electroplating bath makeup; Metal surface treatment, anodising and etching; Oxidising agent in organic synthesis and specialty-chemical manufacture.
How should Chromic Acid (Chromium Trioxide, CrO3) be stored and handled?
Non-combustible strong oxidiser and highly toxic (hexavalent chromium) — store in a cool, dry, well-ventilated area away from combustible/organic materials and reducing agents (can cause such materials to ignite on contact); handle strictly per SDS with appropriate PPE to avoid dust inhalation and skin contact.
What packaging and pack sizes does Suraj Chemicals supply Chromic Acid (Chromium Trioxide, CrO3) in?
25/50 kg HDPE drums. Contact us if you need a different pack size, or a bulk/tanker quantity.
What is the shelf life of Chromic Acid (Chromium Trioxide, CrO3)?
Typically 3–6 months from date of manufacture when stored sealed, in a cool place away from direct sunlight and heat. Active content in hypochlorite / oxidising products declines gradually over time, so this is one to watch closely. As with any industrial chemical, request the current batch's manufacturing date and a fresh certificate of analysis for orders where exact remaining shelf life matters.
Is Chromic Acid (Chromium Trioxide, CrO3) hazardous to handle?
Yes — Chromic Acid (Chromium Trioxide, CrO3) is an oxidizing agent and should be kept away from combustible or organic material; combustible and should be kept away from heat and ignition sources; toxic if mishandled and requires appropriate PPE. Follow the storage and handling guidance above, use appropriate PPE, and download the Safety Data Sheet (SDS/MSDS) in the sidebar above for full GHS hazard, handling and PPE details.
Is a Specification Sheet, TDS or MSDS available for Chromic Acid (Chromium Trioxide, CrO3)?
Yes — a downloadable Specification Sheet (PDF) with full characteristics and specifications is available above, and a downloadable Safety Data Sheet (SDS/MSDS) for Chromic Acid (Chromium Trioxide, CrO3) is also available above.
Can I get a sample or discuss order quantity for Chromic Acid (Chromium Trioxide, CrO3)?
Yes — use the Request Price & Availability button or WhatsApp us with your required quantity, and our team will confirm pricing, minimum order quantity, sample availability and delivery timelines for Chromic Acid (Chromium Trioxide, CrO3).