Cold-weather pours without added chloride.
Set accelerator and corrosion-inhibiting admixture component. Shortens set time in cold weather without adding chloride to the reinforcement environment.
Read the guide →Manufacturer direct. COA on every lot.
Calcium nitrate tetrahydrate for concrete, wastewater, mining and process industries — made in Madhya Pradesh, India (plant at Maksi, near Indore) and quoted for export from Mundra Port and Nhava Sheva.
Email contact@hrsuindore.com · +91 94250 00484 · Reply within one business day · Book a call
EXW · FOB (Mundra / Nhava Sheva) · CIF · DDP | T/T or LC | COA with every lot
The Product
Consistent industrial batches, each with a full certificate of analysis: assay, insolubles, chloride, sulphate, nitrite and trace metals documented before dispatch.
Applications
Set accelerator and corrosion-inhibiting admixture component. Shortens set time in cold weather without adding chloride to the reinforcement environment.
Read the guide →Controls hydrogen sulphide odour and corrosion in municipal sewers and industrial effluent. Supports denitrification in activated sludge processes.
Read the guide →Cold-weather concrete for mine surface works and nitrate dosing for sulfide control in water systems. We separate what the published evidence supports from what it does not.
Read the guide →Calcium nitrate brines for completion and drilling fluids, and nitrate treatment for reservoir souring control, supplied with batch-level documentation.
Read the guide →Latex coagulation, surface treatment in metal industries and heat-transfer fluid formulations. Consistent batches with a COA on every lot.
Read the guide →Why HRSU
01 · Documented purity
Assay, insolubles, chloride, sulphate, nitrite and trace metals, with batch traceability. Sample COA (batch HRSU/CNP/04/42/2025): assay 99.8%, insolubles 0.003%.
02 · Export ready
Manufactured in Maksi, Madhya Pradesh and shipped from Mundra Port or Nhava Sheva. We quote EXW, FOB, CIF or DDP and prepare export documents in-house.
03 · Technical support
Our chemical engineers help with dosing, handling and documentation requirements. Replies within one business day.
HRSU Indore Pvt. Ltd. is a manufacturing company incorporated on 25 July 2022 and a member of the Federation of Indian Export Organisations (FIEO). Its founder has worked in the chemical industry for more than 20 years, and an affiliated trading firm has been in business for more than 15 years.
Technical Data
| Parameter | Specification | Method |
|---|---|---|
| Product | Calcium Nitrate Tetrahydrate, Ca(NO₃)₂·4H₂O (MW 236.15) | - |
| CAS / EC number | 13477-34-4 / 233-332-1 | - |
| Appearance | Colourless to white crystals | Visual |
| Melting point | 42–44 °C | Capillary tube |
| Density (typical) | approx. 1.86 g/cm³ | Hydrometer |
| Solubility in water | 121 g per 100 g water (typical) | Visual |
| Shelf life | 60 months, sealed, cool and dry | - |
| Parameter | Specification | Method |
|---|---|---|
| Assay (as Ca(NO₃)₂·4H₂O) | 99–103% (sample COA batch: 99.8%) | Titrimetric |
| Soluble calcium (Ca) | 16.4% min | TDS |
| Nitrate nitrogen (N) | 11.7% min | TDS |
| pH (5%, 25 °C) | 5.0–7.0 | pH meter |
| Insoluble matter | 0.005% max | Gravimetric |
| Nitrite / Chloride / Sulphate | 0.001% / 0.005% / 0.005% max | Colorimetric / Turbidimetric |
| Barium / Iron / Lead | 0.01% / 0.0005% / 0.001% max | ICP-OES |
| Mg / K / Na / Sr | 0.05% / 0.005% / 0.02% / 0.05% max | ICP-OES / Flame photometry |
| Item | Detail | Notes |
|---|---|---|
| Packing | 50 kg woven bag with inner liner | Other packing on request |
| Order size | Container scale (TDS minimum 10 MT) | Ask about trial quantities |
| HS code | 28342990 | - |
| Transport class | UN1454, Class 5.1, PG III | Oxidizing solid |
| Terms / payment | EXW, FOB (Mundra / Nhava Sheva), CIF, DDP · T/T or LC | Quoted per order |
| Origin / port | Maksi, Madhya Pradesh · Mundra Port or Nhava Sheva | - |
Need the PDFs? TDS · SDS · Sample COA
Supplier documents & terms
A certificate of analysis for every lot, plus the technical and safety data sheets, free to download above.
CAS 13477-34-4, EC 233-332-1, HS 28342990, UN1454 Class 5.1 PG III. Listed in the specification table below.
EXW, FOB (Mundra / Nhava Sheva), CIF or DDP. T/T or LC. Export documents (B/L, certificate of origin, FIRC) prepared in-house. Lead time confirmed in your quote.
Need REACH, TSCA or AICIS documentation? Contact us with your destination country and we will go through the requirements with you.
Common Questions
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, cold-weather concrete for mining sites, 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, Madhya Pradesh, with export shipments from Mundra Port (Gujarat) or Nhava Sheva (Maharashtra). 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.
Tell us what you need. Price, lead time, payment terms and a sample COA, within one business day.
Technical notes
Technical writing on application chemistry, dosing and the realities of exporting calcium nitrate to industrial buyers.
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