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Granular Sodium Nitrate (1.5-3mm) - White granules, no caking - CAS 7631-99-4 - Image 1
Nitrates

Granular Sodium Nitrate (1.5-3mm)

CAS Number

7631-99-4

Molecular Formula

NaNO₃

HS Code

3102500000

EINECS Number

231-554-3

UN Number

1498

Hazard Class

5.1

Appearance

White granules, no caking

Properties

Colorless transparent or white fine crystals, relative molecular mass 84.99, specific gravity: 2.257, melting point 306°C, decomposes at 380°C. Odorless, cooling and salty taste. Soluble in water and liquid ammonia, slightly soluble in glycerol and ethanol. Strong oxidizer.

Premium granular sodium nitrate (NaNO₃) with particle size 1.5-3mm. White granules with no caking characteristics. Widely used in glass manufacturing, metal heat treatment, and fertilizer industry.
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Specifications

Particle size: 1.5-3mm
Characteristic: No caking
Purity: 99.3-99.5%
Packaging: 25kg/50kg bags

Applications

• Glass manufacturing - Clarifying agent, decolorizer
• Metal heat treatment - Heat treatment salt bath
• Fertilizer industry - Nitrogen fertilizer
• Food industry - Color fixative, preservative
• Chemical synthesis - Oxidizer, raw material

Quality Standards

Item Best Quality First Quality Qualified
Sodium Nitrate Content (dry basis), %, ≥ 99.5 99.3 98.5
Moisture, %, ≤ 1.4 1.8 2.0
Water Insoluble Matter (dry basis), %, ≤ 0.03 0.06 --
Chloride (as NaCl) (dry basis), %, ≤ 0.30 0.40 --
Sodium Nitrite (dry basis), %, ≤ 0.02 0.02 0.15
Carbonate (dry basis), %, ≤ 0.10 0.10 --
Iron (Fe), %, ≤ 0.005 -- --
Particle Size 1.5-3mm

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