Magnesium Sulphate · MgSO₄ · HS 28332100

Bulk magnesium sulphate, shipped worldwide from Tuticorin.

Factory-direct Epsom salt in every form and grade — heptahydrate, monohydrate and anhydrous — with consistent purity, full export documentation, and FCL/LCL dispatch to any port from V.O. Chidambaranar Port, South India.

Factory-direct from Tuticorin Any volume · FCL / LCL COA · SDS · batch-traceable FOB · CIF · CFR Samples on request
12MgMAGNESIUM24.305
MgSO4·7H2O
CAS 10034-99-8 · M.W. 246.47
MgO
16% min
Sulphur
13% min
Assay
99.5%
Any volume
Bulk factory supply
3 forms
Hepta · Mono · Anhydrous
Tuticorin
VOC Port loading
< 24 hr
Quote turnaround
Product range

Three forms of magnesium sulphate, every crystal size.

We supply the full magnesium sulphate family from a single source. Tell us the form, grade and crystal size your line runs on — we screen and pack to your specification.

Magnesium sulphate heptahydrate (Epsom salt) crystals Most popular

Heptahydrate

MgSO₄·7H₂O · Epsom salt

The workhorse grade — water-soluble Epsom salt for agriculture, bath & wellness, food and pharma. White crystal or powder.

Assay99 – 99.5%
MgO16% min
Sulphur13% min
0.1–1 mm powder1–3 mm2–4 mm4–7 mm
View data sheet →
Magnesium sulphate monohydrate granules High magnesium

Monohydrate

MgSO₄·H₂O · kieserite-type

Heat-dried, higher magnesium concentration in a granular or powder form — ideal for fertilizer blends, slow-release nutrition and animal feed.

Assay~99%
MgO26 – 28%
FormGranular / powder
PowderGranular
View data sheet →
Anhydrous magnesium sulphate fine powder Highest concentration

Anhydrous

MgSO₄ · dried

The most concentrated form — used as a drying agent, desiccant and in industrial processing where water content must be minimal.

Assay~99%
MgO33% min
FormPowder
IndustrialTechnical
View data sheet →
Specification grades

Pick the grade your line runs on.

Every grade ships with a batch-specific Certificate of Analysis. Figures below are typical; exact parameters are confirmed per lot before dispatch.

GradeMgOAssayPrimary useStandard packing
Fertilizer / Agro16% min~98%Crop nutrition, foliar, fertigation25 / 50 kg PP · 1 MT jumbo
Bath & Spa16% min99.5%Bath salts, float pods, body care25 kg HDPE w/ food liner
Food / FCC16% min99.5%Food processing, brewing, supplements25 kg food-grade
Pharma BP / USP / IP / EP—≥99.5%Laxatives, formulations (GMP)25 kg / drums
Technical / Industrial16% min98%+Textiles, detergents, water treatment50 kg / 1 MT jumbo
Feed grade16% min98%+Animal feed magnesium supplement25 / 50 kg
Applications

One molecule, six industries.

Magnesium sulphate is a genuine multi-market product. We supply each of these segments from the same documented source — consolidate your sourcing through one window.

01

Agriculture

Corrects magnesium and sulphur deficiency, drives chlorophyll and lifts yield in citrus, potato, banana, tea, palm and vegetables. Fully water-soluble.

02

Fertigation & Horticulture

Dissolves cleanly for drip, foliar and hydroponic feeding — no residue, blends with most nutrient programs for greenhouse and open-field growers.

03

Animal Feed

A magnesium supplement in livestock and poultry feed, supporting bone strength, muscle function, enzyme activity and healthy metabolism.

04

Industrial

Used across textiles, dyeing, detergents, water treatment, ceramics and as a drying agent — where consistent solubility and purity matter.

05

Pharma & Medical

BP/USP/IP/EP grades for laxatives, magnesium supplementation and formulations produced to pharmacopoeia specification.

06

Bath & Wellness

Clean, low-heavy-metal Epsom salt for bath soaks, muscle-recovery blends, scrubs, flotation pods and private-label wellness brands.

Typical data sheets

The numbers your QA team will ask for.

Representative specifications for each form. Grades differ on assay and heavy-metal tolerance; a full TDS, SDS and batch COA are sent with every quote.

AppearanceWhite crystalline
Molecular formulaMgSO₄·7H₂O
CAS number10034-99-8
HS / HSN code2833.21.00
Magnesium (as MgO)16% min
Sulphur (as S)13% min
Assay (MgSO₄·7H₂O)99.5%
pH (5% solution)5.5 – 7.5
Heavy metals< 10 ppm
SolubilityFully water-soluble
Molecular weight246.47 g/mol
OriginIndia (Tuticorin)

Typical values, non-binding. Exact parameters confirmed per batch COA before dispatch.

Independently verified

Purity tested by the Government of India.

Our magnesium sulphate has been analysed by the National Test House (Government of India) and meets pure-grade specification — 99.8% assay, with lead and arsenic below detection limits. Every shipment also ships with its own batch Certificate of Analysis.

ParameterResultPure-grade req.
Magnesium sulphate (as MgSO₄, dried 300°C)99.8%99.5–100.5%
Chlorides (as Cl)Pass <0.12%0.12% max
Lead (as Pb)0.0 ppm5 ppm max
Arsenic (as As₂O₃)0.0 ppm2 ppm max
Iron (as Fe)0.000%0.002% max
ZincPassTo pass
AcidityPassTo pass
National Test House, Government of India - magnesium sulphate test report showing 99.8% purity, lead and arsenic nil
National Test House (NR), Govt. of India · Report No. 25CHB967N
Packing & logistics

Built to clear your port without surprises.

25 kg bags
PP woven / HDPE · ~1,000 bags = 25 MT FCL
50 kg bags
PP woven · palletised or loose-loaded
1 MT jumbo
FIBC bags · 25–27 per 20' container
Private label
Custom-printed retail packs · MOQ applies
MOQ
From 1 MT for samples / trial · full 20' container 25–27 MT
Load port
Tuticorin — V.O. Chidambaranar (VOC) · Chennai
Lead time
Typically 7–15 days from confirmed PO & advance
Terms
FOB · CFR · CIF · payment via TT advance or irrevocable L/C
Documentation
COA · SDS/MSDS · packing list · BL · Certificate of Origin
25 kg woven PP bags of magnesium sulphate on a pallet
25 kg PP woven bags · palletised
1 MT FIBC jumbo bags of magnesium sulphate
1 MT FIBC jumbo bags
Loading a 20 ft container with bagged magnesium sulphate
20' FCL loading · 25–27 MT

Representative images. Actual packing photographs available per order.

About magsulf

Focused on one product. Done properly.

magsulf.com is a specialist magnesium sulphate export house based in India, working directly with an established fertilizer manufacturer in Tuticorin — a producer with the capacity to supply bulk in any quantity, loaded beside the port.

That single focus is the point. We don't spread across a hundred chemicals; we know magnesium sulphate — every form, every grade, every crystal size — and we ship it worldwide with the documentation and consistency serious importers require.

The result for you: factory pricing without the broker layer, a shorter freight route into Africa and the Gulf, and a supply partner who answers.

Quality & compliance
Govt.NATIONAL TEST HOUSE
99.8%TESTED PURITY
Pb·AsNIL HEAVY METALS
COAEVERY BATCH
View the government test report ↓
1st

Factory-direct

Straight from the Tuticorin plant — no broker margin between you and the source.

3

Forms

Heptahydrate, monohydrate and anhydrous, in every crystal size.

100%

Documented

Batch COA and SDS with every container; pre-shipment samples on request.

24hr

Quote

Send grade, quantity and port — landed price back within a day.

Buyer FAQ

Everything an importer asks first.

What is your minimum order quantity?
From 1 MT for samples and trial orders. A full 20-foot container holds 25–27 MT. We supply single containers or repeat multi-container programs.
Which grades and forms can you supply?
Heptahydrate (Epsom salt), monohydrate and anhydrous — in fertilizer/agro, bath & spa, food/FCC, pharma (BP/USP/IP/EP), feed and technical grades, screened to your required crystal size.
What are your payment terms?
TT advance or an irrevocable Letter of Credit (L/C) for larger and repeat orders. Terms are confirmed per order and per relationship.
Which port do you ship from, and where do you deliver?
We load at Tuticorin (V.O. Chidambaranar Port) in South India, with Chennai as an alternative, and ship worldwide on FOB, CFR or CIF terms to your destination port.
What is the typical lead time?
Usually 7–15 days from a confirmed purchase order and advance, depending on grade, quantity and packing.
Do you provide samples and documentation?
Yes — pre-shipment samples on request, and every shipment carries a batch-specific Certificate of Analysis, SDS/MSDS, packing list, Bill of Lading and Certificate of Origin.
Can you do private-label or custom packing?
Yes. Standard packing is 25/50 kg PP or HDPE bags and 1 MT jumbo bags; custom-printed retail packs are available with MOQ.
Request a quote

Tell us what you import.

Share your grade, volume and destination port. We come back with a landed price, specification sheet and a pre-shipment sample option.

✉  sales@magsulf.com ⟢  WhatsApp: +91 87009 20040
⚓  Loading: Tuticorin (VOC Port), Tamil Nadu

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