About Sulphamic Acid (CAS 5329-14-6)
Sulphamic Acid H3NSO3 is a dry, non-volatile, stable mineral acid that serves as a premium alternative to volatile liquid acids. DPRJ Universal is a leading sulphamic acid manufacturer and bulk supplier in India, offering 99.5% premium grade material with comprehensive data sheet documentation, including COA and industrial standard SDS support.
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- Chemical Name: Sulphamic Acid (Amidosulfonic Acid)
- Purity: 99.5% (Minimum)
- CAS No.: 5329-14-6
- Appearance: Dry, white crystalline powder / crystals
- Formula: H3NSO3
- Molecular Weight: 97.09 g/mol
- Sulphamic Acid PH Value: ~1.18 (1% solution in water)
- Packaging: 50 KGS BAG
- Origin: India
Primary Applications
- Formulated sulphamic acid for descaling industrial cooling towers, marine systems, and boilers.
- Highly effective dry acidic compound for everyday sulfamic acid cleaning operations and commercial chemical blends.
- Specialized sulfamic acid cleaner for grout haze, masonry scale, and tile cleaning solutions.
- Acts as a high-purity laboratory grade reagent for sulfamic acid titration processes.
- Vital constituent in commercial sulfamic acid washing machine, espresso machine, and dishwasher descalers.
- Employed in structural surface treatments to remove set mortar or residual sulfamic acid thinset components.
- Crucial scavenger agent in nitrous dye processes utilizing rapid sulfamic acid reaction with nitrite.
SKU: SA001
MPN: SULPHAMIC-ACID-DPRJ-001
Category: Chemicals → Industrial Acids → Sulphamic Acid
Brand: DPRJ Universal
Price Range (Bulk)
₹47 - ₹70 per kg
Price valid until: 31 Dec 2026
Availability: In Stock for Bulk Orders
Customer Rating
⭐ 4.9 / 5
Based on 1,842 verified industrial buyers
“The premium sulfamic acid crystals from DPRJ Universal solved our recurring boiler scale issues. Outstanding purity and bulk price consistency.”
— Verified Industrial Buyer, Power Generation Facility
Shipping & Delivery
Destination: India
Shipping Cost: Free (Bulk Orders)
Handling Time: 1–2 Days
Transit Time: 2–5 Days
Return Policy
Return Window: 7 Days (for non-compliant quality)
Return Method: Return By Mail/Pickup
Return Fees: Free Return (on verified quality issue)
Frequently Asked Questions
What is the primary use of Sulphamic Acid?
The primary industrial use of Sulphamic Acid is for chemical descaling and cleaning formulations. It is heavily utilized as a sulfamic acid cleaner for grout, industrial boilers, heat exchangers, and household cleaning products like toilet and commercial dishwashers.
What is the molecular weight and chemical formula of Sulphamic Acid?
The chemical formula structure of Sulphamic Acid is H3NSO3. The molecular weight (or molar mass) is approximately 97.09 g/mol.
How is Sulphamic Acid prepared or synthesized industrially?
The industrial sulphamic acid manufacturing process is typically performed through the reaction of urea with a mixture of sulfur trioxide and sulfuric acid, followed by purification steps to achieve high-grade sulfamic acid crystals.
What is the pH value of Sulphamic Acid and is it strong?
Sulphamic acid is a moderately strong acid. The exact sulphamic acid ph value depends on the concentration, but a typical 1% aqueous solution has a pH of approximately 1.18, making it highly effective for descaling applications.
How is Sulphamic Acid concentration calculated for descaling?
The optimal sulfamic acid concentration for descaling typically ranges from 5% to 10% depending on the severity of the scale deposit. It is frequently blended with a sulfamic acid inhibitor to protect base metal surfaces during industrial equipment cleaning.
What are the key physical properties of Sulphamic Acid crystals?
Key physical properties of high-grade Sulphamic Acid include a melting point of 205 C, excellent water solubility, and a density of approximately 2.15 g/mL. It appears as a dry, stable, white crystalline powder.
Is Sulphamic Acid dangerous and what are the toxicity concerns?
While it is safer to handle than volatile mineral acids, you should ask: is sulfamic acid dangerous? Yes, it can cause severe skin irritation and eye damage upon contact. Inhalation of dust must be avoided due to sulfamic acid toxicity concerns, requiring proper personal protective equipment (PPE).
What are the main chemical reactions of Sulfamic Acid?
Sulfamic acid reactions include titration with bases for analytical verification, a rapid sulfamic acid nitrite reaction used to remove excess nitrous acid in dye industries, and standard gas-evolving reactions with calcium carbonate scale deposits.
Can Sulphamic Acid be used on grout and tiles?
Yes, a formulated sulfamic acid cleaner for grout and thinset removal is highly popular in construction maintenance. It removes concrete residue and grout haze from porcelain tiles effectively without damaging tile surfaces when diluted properly.
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