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Nitrates and nitrites

Strontium nitrate

Also known as Strontium dinitrate, Nitric acid, strontium salt, Strontium nitrate (Sr(NO3)2)

CAS 10042-76-9Formula N2O6SrMolar mass 211.63 g/molEC 233-131-9
GHS signal word: Danger. Pictograms: Oxidiser, Corrosive, Harmful or irritant 60 suppliers listed Drug substance
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Strontium nitrate chemical structure, N2O6Sr, CAS 10042-76-9
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
White granules or powder
Melting point
570 °C
Boiling point
645 °C
Density
2.99 g/cu-cm
Solubility
70.9 g/100 ml water at 18 °C, 100 g/100 ml water at 100 °C
HS code
283429
Category
Nitrates and nitrites
UN number
UN 1507
Illustrative photo, white granules in an HDPE jar on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Strontium nitrate?

Plain description, key identifiers and synonyms

Strontium nitrate appears as a white crystalline solid. Noncombustible but accelerates burning of combustible materials. May explode if large quantities are involved in a fire or the combustible material is finely divided. May explode under prolonged exposure to heat or fire. Toxic oxides of nitrogen are produced in fires. Used in pyrotechnics, in medicine, and to make other chemicals.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
strontium dinitrate
CAS number
10042-76-9 CAS number cross-checkedOther or deprecated CAS: 518051-66-6
EC number
233-131-9
Molecular formula
N2O6Sr
UNII
BDG873AQZL
MDL number
MFCD00011248
INCI name
STRONTIUM NITRATE
InChIKey
DHEQXMRUPNDRPG-UHFFFAOYSA-N
InChI
InChI=1S/2NO3.Sr/c2*2-1(3)4;/q2*-1;+2
SMILES (canonical and isomeric)
[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[Sr+2]

Synonyms

  • Strontium dinitrate
  • Nitric acid, strontium salt
  • Strontium nitrate (Sr(NO3)2)
  • Strontium nitricum
  • Nitrate de strontium
  • Nitric acid, strontium salt (2:1)
  • Strontium(II) nitrate (1:2)
  • Nitric acid strontium salt (2:1)
  • Strontium(2+) nitrate
  • strontium(2+) ion dinitrate
  • strontium, dinitrate
  • Strontium Nitrate Anhydrous
  • Strontium nitrate, anhydrous
  • N2O6Sr
  • strontium(II) nitrate
  • strontium (II) nitrate
  • Sr(NO3)2
  • Strontium nitrate [UN1507] [Oxidizer]
  • Strontium nitrate, ACS reagent grade crystal
  • Strontium nitrate, 99.999% (metals basis)
  • Strontium nitrate, 99.9965% (metals basis)

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Appearance
White granules or powderexp.
Melting point
570 °Cexp.
Boiling point
645 °Cexp.
Density
2.99 g/cu-cmexp.
Solubility
70.9 g/100 ml water at 18 °C, 100 g/100 ml water at 100 °Cexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
211.63 g/molcalc.
Exact mass
211.8812 Dacalc.
LogP (octanol/water)
-0.86calc.
Topological polar surface area
132.4 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
0calc.
Heavy atoms
9calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
3calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS03: Oxidiser
Oxidiser
GHS05: Corrosive
Corrosive
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H271May cause fire or explosion, strong oxidiser.
  • H272May intensify fire, oxidiser.
  • H302Harmful if swallowed.
  • H315Causes skin irritation.
  • H318Causes serious eye damage.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (28)
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P220Keep away from clothing and other combustible materials.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P283Wear fire resistant or flame retardant clothing.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P306 + P360If on clothing: Rinse immediately contaminated clothing and skin with plenty of water before removing clothes.
  • P317Get medical help.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P371 + P380 + P375In case of major fire and large quantities: Evacuate area. Fight fire remotely due to the risk of explosion.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P420Store separately.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 1507
Transport hazard class
5.1
Packing group
III

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Strontium nitrate suppliers

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Where suppliers are based

60 suppliers in 12 countries

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Strontium nitrate price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

In signal lights, marine signals, railroad flares, matches, in pyrotechnics (red fire).

Intermediate, electron tubes.

Mfr of pyrotechnics as it imparts brilliant color to flame.

Industrial uses: Intermediate, Oxidizing agent, Other.

Consumer uses: Soil amendments (fertilizers).

Cosmetic ingredient, INCI name STRONTIUM NITRATE(oral care, skin conditioning)

Functional uses

  • Softener and conditioner

Cosmetic functions

  • Oral care
  • Skin conditioning

How it is made

Strontium nitrate is made by reaction of milled strontium carbonate with nitric acid. The nitrate slurry is filtered, crystallized, & centrifuged before drying in a rotary dryer.

A concentrated solution of strontium chloride is treated with a solution of sodium nitrate.

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory
  • EU Cosmetics Regulation Annex II, prohibited in cosmetics
    Name: Strontium nitrate, Ref no: 403, Annex ref: II/403
  • Active ingredient in FDA approved drug labels

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Strontium nitrate is traded under.

HS 2834.29Indicative HS code

Nitrates, other

World exports in 2024
$338M
−26.0% vs 2023, imports $353M
2019 to 2024
Top exporters
  1. China28.9%
  2. Malaysia9.2%
  3. Norway * partner reported7.5%
Top importers
  1. United States7.8%
  2. Germany6.2%
  3. Australia4.6%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Strontium nitrate is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Strontium nitrate, based on the data on this page

What is Strontium nitrate?

Strontium nitrate appears as a white crystalline solid. Noncombustible but accelerates burning of combustible materials. May explode if large quantities are involved in a fire or the combustible material is finely divided. May explode under prolonged exposure to heat or fire.

What is the CAS number of Strontium nitrate?

The CAS registry number of Strontium nitrate is 10042-76-9. Other or deprecated CAS numbers: 518051-66-6.

What is the molecular formula and weight of Strontium nitrate?

The molecular formula of Strontium nitrate is N2O6Sr and its molar mass is 211.63 g/mol.

What is Strontium nitrate used for?

In signal lights, marine signals, railroad flares, matches, in pyrotechnics (red fire). Intermediate, electron tubes. Mfr of pyrotechnics as it imparts brilliant color to flame. Industrial uses: Intermediate, Oxidizing agent, Other. Consumer uses: Soil amendments (fertilizers).

Is Strontium nitrate hazardous?

Strontium nitrate carries the GHS signal word "Danger". Main hazards: may cause fire or explosion, strong oxidiser, may intensify fire, oxidiser, harmful if swallowed. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Strontium nitrate?

Strontium nitrate is usually classified under HS code 283429 (Nitrates, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Strontium nitrate?

CompoundList lists 60 suppliers of Strontium nitrate in China, United States, India, United Kingdom and 8 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Strontium nitrate in India?

11 suppliers in India list Strontium nitrate on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Strontium nitrate?

Suppliers quote Strontium nitrate on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Strontium nitrate

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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