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Strontium Nitrate appears as a white crystalline solid for uses compatible with nitrates and lower (acidic) pH. Ultra high purity and high purity compositions improve both optical quality and usefulness as scientific standards.
Strontium Nitrate
Synonyms: | Nitric acid,strontium salt,Strontium dinitrate Nitric acid, strontium salt. |
Molecular Formula: | Sr(NO3)2 or N2O6Sr |
Molecular Weight | 211.6 g/mol |
Appearance | White |
Density | 2.1130 g/cm3 |
Exact Mass | 211.881 g/mol |
High Purity Strontium Nitrate
Symbol | Grade | Sr(NO3)2≥(%) | Foreign Mat. ≤(%) | ||||
Fe | Pb | Cl | H2o | Insoluble Matter in Water | |||
UMSN995 | HIGH | 99.5 | 0.001 | 0.001 | 0.003 | 0.1 | 0.02 |
UMSN990 | FIRST | 99.0 | 0.001 | 0.001 | 0.01 | 0.1 | 0.2 |
Packaging: paper bag (20~25kg); packaging bag (500~1000KG)
What is Strontium Nitrate used for?
Core application areas
I.Special signal products
1. Military tracer bullet: As the core component of the red tracer, it produces a characteristic red light of 620-650nm in ballistic trajectory visualization, suitable for night combat training and ballistic correction systems.
2. Railway/marine signaling devices:
- Railway emergency flares: meet ASTM E2190 standards and maintain a continuous red light for ≥90 seconds at -40°C
- Life-saving equipment: in compliance with SOLAS Convention requirements, visible distance of distress flares at sea ≥ 10km
3. Aviation positioning marker: Low smoke compound formula is used for airdrop locators, with burning rate stability of ±2% (ISO 8008)
II.Industrial functional materials
1. Redox system:
- Specialty batteries: Synthetic oxidant for lithium battery cathode materials to enhance the stability of layered structures
- Metal surface treatment: Passivation solution composition for aluminum-magnesium alloys (DIN 50942)
2. Preparation of energetic materials:
- Civilian blasting: Oxidizer for differential explosives in mines (UN 0407)
- Airbag gas generating agent: composite azide achieves 0.02 second trigger response
3. Foaming and propulsion technology:
- Polymer foaming: PVC foaming regulator, cell density 50-200 cells/mm³
- Solid propellant: Adjust the burning rate pressure index to 0.25±0.05 (GJB 770B)
III.Synthesis of Specialty Chemicals
1. Electronic material precursors:
- Superconducting materials: SrTiO₃ thin film sputtering target raw materials (purity ≥ 99.99%)
- Display technology: Plasma display panel (PDP) red phosphor matrix
2. Functional glass manufacturing:
- Optical glass: refractive index adjustment component (nd=1.516-1.523)
- Radiation protection glass: strontium shielding material (lead equivalent ≥ 0.8mmPb)
Technical characteristics
property | Parameter range | Test standards |
Purity grade | Industrial grade: 99.0% Electronic grade: 99.99% | ICP-OES |
Crystal morphology | Orthorhombic/spherical particles (optional) | SEM JY/T 0584 |
Particle size distribution | D50: 5-40μm (can be customized to nanometer level) | ISO 13320 |
Decomposition temperature | 570±5℃ (starting decomposition point) | TGA-GB/T 6425 |
Solubility | 70.8g/100mL (20℃ aqueous solution) | OECD 105 |
IV.Security and Compliance
- Transport classification: UN 1507 5.1 Oxidizing agents
- Storage requirements: cool and dry environment, relative humidity ≤ 40%
- Occupational exposure limit: OSHA TWA 5mg/m³ (strontium compounds)
- Environmental certification: Registered under REACH Annex XVII (SVHC not detected)
V.Quality Control
1. Military grade: in compliance with MIL-S-13239C standard
2. Electronic grade: meet SEMI C8.1 impurity control requirements
3. Batch traceability: provide ICP-MS full element analysis report
VI.Precautions
> • It is strictly forbidden to store it together with reducing substances, and it must be stored in an independent explosion-proof cabinet
> • Industrial blasting applications require a civil explosives license
> • Export of military-related products must comply with ITAR regulations
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This description is based on the general characteristics of strontium nitrate. For specific product parameters, please refer to the COA (quality inspection report) and MSDS file.
For application cases and technical consultation, please contact our product engineers.
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