Ca(NO₃)₂

HRSU Indore

Calcium Nitrate Tetrahydrate · Industrial Grade

Industrial-grade
calcium nitrate.

Manufacturer direct. COA on every lot.

Calcium nitrate tetrahydrate for concrete, wastewater, mining and process industries — made in India and shipped from Mundra Port to industrial buyers in 30+ countries. Liquid calcium nitrate melt planned for early 2027.

Shipping to 30+ countries Assay 99.8% on latest batch COA Backed by 20+ years of expertise

ConstructionWastewaterMiningOil & GasProcess IndustryIndustrial GradeMundra PortISO 9001 ConstructionWastewaterMiningOil & GasProcess IndustryIndustrial GradeMundra PortISO 9001
White crystalline industrial chemical
Ca(NO₃)₂·4H₂O · Industrial Grade

The Product

Calcium Nitrate Tetrahydrate,
Industrial Grade.

Consistent industrial batches, each with a full certificate of analysis: assay, insolubles, chloride, sulphate, nitrite and trace metals documented before dispatch.

Ca(NO₃)₂·4H₂O
Formula
99–103%
Assay
≥16.4%
Soluble Calcium
≥11.7%
Nitrate Nitrogen
5.0–7.0
pH (5%)
White Crystals
Form
Full Specifications Request Quote

Applications

One molecule. Five industrial uses.

Construction
01 - Construction & Concrete

Cold-weather pours. Zero corrosion risk.

Chloride-free accelerating admixture component. Shortens set time in cold weather without adding chloride to the reinforcement environment.

Set Accelerator Cold-Weather Chloride-Free
Wastewater
02 - Wastewater Treatment

Suppressing H₂S. Protecting infrastructure.

Controls hydrogen sulphide odour in municipal sewers and industrial effluent. Supports denitrification in activated sludge processes.

H₂S Suppression Municipal ETP Denitrification
Mining and tailings
03 - Mining & Tailings

Tailings that stay put.

Applied in tailings management, including dust stabilisation and heavy-metal control. Ask our team for dosing guidance for your site.

Tailings Dust Stabilisation Heavy Metals
Oil and gas fluids
04 - Oil & Gas Fluids

Brines built for the well.

Calcium nitrate brines for completion and drilling fluids, supplied with batch-level documentation.

Completion Fluids Drilling Fluids Brines
Industrial processing
05 - Process Industries

Latex. Metal. Heat. Precise every time.

Latex coagulation, surface treatment in metal industries, and heat-transfer fluid formulations. Consistent batches with a COA on every lot.

Latex Coagulation Metal Treatment COA Certified
1 / 5

"We don't just supply chemicals.
We supply confidence."

- The HRSU Philosophy

The HRSU Edge - 01

Verified purity,
every batch.

A certificate of analysis is issued for every lot: assay, insolubles, chloride, sulphate, nitrite and trace metals, with full batch traceability.

99.8%
Assay (batch COA)
0.003%
Insoluble matter
COA every lotISO 9001:2015Traceable
01

The HRSU Edge - 02

Maksi to the world,
via Mundra.

Our plant sits 8 hours from Mundra Port, India's largest container gateway. We quote EXW, FOB, CIF or DDP and prepare export documents in-house.

30+
Countries
8h
To Mundra
FOB MundraCIF WorldwideFCL Ready
02

The HRSU Edge - 03

Solid today.
Melt next.

Calcium nitrate tetrahydrate is available now. A liquid calcium nitrate melt for plants that dose or blend in liquid form is planned for early 2027. Register your volume and destination to be first in line.

Now
Industrial grade solid
2027
Melt (planned)
Industrial GradeMelt Early Access
03

The HRSU Edge - 04

Technical experts,
not just suppliers.

Our chemical engineers help with dosing, handling and documentation requirements. We don't just supply — we solve.

<24h
Response
20+
Years
Dosing GuidanceDocumentationCustom Requests
04

For Procurement Teams

Built for serious buyers.

/ 01
COA on every lot

A certificate of analysis for every lot: assay, insolubles, chloride, sulphate, nitrite and trace metals documented before dispatch.

/ 02
Consistent supply

Dedicated production capacity with buffer stock. Zero compromise on delivery, even for repeat FCL orders.

/ 03
Fast dispatch

Container loads coordinated with Mundra Port for on-time sailing. Lead time is confirmed in your quote.

/ 04
Flexible payment

T/T, LC, and advance options available. Export documentation (B/L, FIRC, COO) prepared in-house.

Insights - written by us

From the lab & the field.

Technical writing on application chemistry, dosing and the realities of exporting calcium nitrate to industrial buyers.

All articles →
Supply chain logistics for industrial chemicals
Featured · Supply Chain 8 min read

Building Resilient Supply Chains for Industrial Chemicals

How procurement managers and supply chain leaders are restructuring their chemical sourcing away from single-country dependencies — and why Indian manufacturers like HRSU are becoming preferred partners for calcium nitrate supply.

Read the full article →

Technical Data

Specifications & Documents

ParameterSpecificationMethod
ProductCalcium Nitrate Tetrahydrate, Ca(NO₃)₂·4H₂O (MW 236.15) -
CAS / EC number13477-34-4 / 233-332-1 -
AppearanceColourless to white crystalsVisual
Melting point42–44 °CCapillary tube
Density (typical)approx. 1.86 g/cm³Hydrometer
Solubility in water121 g per 100 g water (typical)Visual
Shelf life60 months, sealed, cool and dry -
ParameterSpecificationMethod
Assay (as Ca(NO₃)₂·4H₂O)99–103% (batch result 99.8%)Titrimetric
Soluble calcium (Ca)16.4% minTDS
Nitrate nitrogen (N)11.7% minTDS
pH (5%, 25 °C)5.0–7.0pH meter
Insoluble matter0.005% maxGravimetric
Nitrite / Chloride / Sulphate0.001% / 0.005% / 0.005% maxColorimetric / Turbidimetric
Barium / Iron / Lead0.01% / 0.0005% / 0.001% maxICP-OES
Mg / K / Na / Sr0.05% / 0.005% / 0.02% / 0.05% maxICP-OES / Flame photometry
ItemDetailNotes
Packing50 kg woven bag with inner linerOther packing on request
Order sizeContainer scale (TDS minimum 10 MT)Ask about trial quantities
HS code28342990 -
Transport classUN1454, Class 5.1, PG IIIOxidizing solid
Terms / paymentEXW, FOB Mundra, CIF, DDP · T/T or LCQuoted per order
Origin / portMaksi, Madhya Pradesh · Mundra Port -

Common Questions

FAQ

Industrial-grade calcium nitrate tetrahydrate, Ca(NO₃)₂·4H₂O, CAS 13477-34-4, assay 99–103%. We supply industrial buyers only, and a certificate of analysis is issued with every lot.

Concrete admixtures (chloride-free set acceleration), hydrogen sulphide control in wastewater, mining and tailings management, oil and gas fluids, latex coagulation and metal treatment.

A calcium nitrate melt is planned for early 2027. Tell us your expected volume and destination in the quote form and we will contact you as soon as it is ready.

Manufacturing in Maksi, MP, 8 hours from Mundra Port. We quote EXW, FOB, CIF or DDP to the USA, EU, Middle East, Southeast Asia and beyond. Export documentation is handled in-house.

Use the quote form below or WhatsApp +91 94250 00484. Orders are container scale (our TDS lists 10 MT minimum); ask us about trial quantities. We reply within one business day.

Ready to source
industrial-grade
calcium nitrate?

Tell us what you need. Price, lead time, payment terms and a sample COA, within one business day.

Prefer to talk? WhatsApp · +91 94250 00484 · contact@hrsuindore.com

Find Us

Maksi, Madhya Pradesh.

Factory Address 53, Industrial Area, Maksi
Madhya Pradesh — 465106, India
Export Port Mundra Port, Gujarat
Sea freight to 30+ countries
Contact +91 94250 00484
contact@hrsuindore.com