Home > Products > Chemicals > Inorganic Chemical Materials > Alkali

-  Product Identification

CAS No. :

7757-79-1

EINECS No. :

231-818-8

Formula :

KNO3

Molecular Weight :

101.1

H.S. Code :

2834.2190

Toxicity :

Oral rat LD50: 3750 mg/kg

Synonyms :

Nitre; Nitric Acid Potassium Salt; Saltpeter; Vicknite; Kalii Nitras; Kaliumnitrat (German); Nitrate Of Potash; Kaliumnitrat (Dutch); Nitrato de potasio (Spanish); Nitrate de potassium (French)

-  Physical And Chemical Properties

Physical State :

Colorless and transparent rhombic crystals or white powder

Melting Point :

334^oC

Boiling Point :

(Decomposes at 400 ^oC)

Specific Gravity :

2.11

Solubility In Water :

soluble

Vapor Density :

3.0

NFPA Rating :

Health: 2; Flammability: 0; Reactivity: 0 Special Hazard: OX

Flash Point :

Not combustible, but substance is a strong oxidizer

Stability :

Stable under ordinary conditions

-  Applications

l      Industrial Grade

- Used as the raw material of Fireworks to produce Purple Flame, Black Powder in Mining,

Fuse (Ignition Wire) and Firecracker.

- Used for Heat Transfer Salts, Heat Treatment Salt Bath, production of Cigarette Paper.

- Used as Catalyst and Mineral Processing Agent, Ceramic Glaze and Enamel.

- Used as Color Fixative and Preservative.

l      Optical Glass Grade

- Used as Glass Refining Agent and for the production of Auto Lamp Glass, Optical Glass,

Cell Phone and Computer Touch Screen, Clock Glass, TV Kinescope Glass.

l      Agriculture Grade

- Increase yield, improve quality, accelerate the ripening, enhance disease resistance,

Prolong the shelf life.

- Widely used in various grain crop, economic crop, as base fertilizer or additional fertilizer,

Foliar fertilizer, cultivation without soil, especially suitable for tobacco, fruit crops.

-  Specification  (Industrial Grade)

Testing Items

Quality Standard (First Class)   GB/T 1918-2011

Quality Standard

Appearance :

White Powder

White Powder

Purity :

99.4% Min

99.7% Min

Moisture :

0.10% Max

0.10% Max

Chloride (as Cl) :

0.02% Max

0.01% Max

Water Insoluble :

0.02% Max

--------

Sulphate (as SO4) :

0.01% Max

0.005% Max

Hygroscopicity :

0.30% Max

--------

K2CO3 :

--------

0.01% Max

PH :

6

6.5-8

Particle Size :

80 -100MESH

30 - 80MESH (200 - 500UM)

-  Specification  (Optical Glass Grade)

Testing Items

Quality Standard

Reference Testing Results

Appearance :

White Crystal

White Crystal

Purity :

99.80% Min

99.92%

Moisture :

0.06% Max

0.028%

K2CO3 :

0.01% Max

0.005%

Sulphate (as SO4^2-) :

0.005% Max

0.005%

Chloride (as Cl) :

0.005% Max

0.0035%

Water Insoluble :

0.01% Max

0.003%

Fe :

0.002% Max

0.002%

Natrium (Na) :

0.01% Max

0.008%

Particle Size :

30 - 80MESH (200 - 500UM)

Conforms

-  Transportation

Storage :

Stored in cool, ventilated and dry warehouse.

Packing :

In 25kgs net PP woven bags or 1200Kgs Jumbo Bags.

Hazard Class :

5.1 (Packing Group: III)

Un No. :

1486

-  Other Trade Information

Min. Order Quantity :

20 MTS

Supply Capacity :

120,000mts /Year

Loading Capacity :

27Mts/1080Bags (1x20'FCL)

Port of Loading :

Huangpu, China

Fresh Stocks :

Yes

Ref. Price (1) :

USD740.- ~ USD750.-/MT FOB Huangpu, China (Industrial Grade)

Ref. Price (2) :

USD1,300.- ~ USD1,450.-/MT FOB Huangpu, China (Optical Glass Grade)

Shipment Time :

Within 2-3 weeks upon receipt of advance payment or L/C.

Payment Terms :

T/T, L/C ( Sight / 90days ), D/P, Western Union

Origin :

Hunan, Jiangxi, Shanxi

Sample Availability :

Yes

Main Export Markets :

Pakistan, Malaysia, Russia, Turkey, Brazil, Argentina, India, Indonesia