Product Feature
Odor: Slight irritative.
Specific Gravity: Unavailable
Solubility: Soluble in water.
Density: 2.19
pH: 6-7
pH Test-Method: PH test paper.
% Volatiles by volume @ 21C (70F): 0
Boiling Point: Not applicable.
Melting Point: >300 C Decomposes.
Vapor Pressure (mm Hg): No information found.
Bulk Density: ~0.9
Evaporation Rate (BuAc=1): No information found.
Application
1. Widely used in textile industry for vat dyeing, reduction cleaning, printing and stripping, textile textile bleaching .
2. bleaching paper pulps , especially mechanical pulps, its the most fittable bleaching agent in pulps.
3. bleaching kaolin clay, fur bleaching and reductive whitening, bleaching of bamboo products and straw products,
4. in mineral, the compound of thiourea and other sulphides.
5. as reducing agent in chemical industry.
6. Sodium hydrosulfite food additive grade is used in foodstuffs, as bleaching agent and preservative dried fruits, dried vegetable, vermicelli, glucose, sugar, rock sugar, caramel, candy, liquid glucose, bamboo shoots, mushrooms and canned mushrooms.
Packaging 50kg/100kg net in iron drums with double PVC bags
Product Specification/Models
NDEX 90%, 88%, 85%. FOOD ADDITIVE
Na2S2O4, 90%, 88%, 85%, Fe 20ppm ZincZnOther heavy metal
calculated as Pb, 1ppm
Water Insolubles05%
Shelf Life(month)12
Chemical Name:4-Hydroxybenzoic acid
Trade Name:p-oxybenzoic acid
Molecular Formula:C7H6O3
Molecular Weight:138.12
CAS No.:99-96-7
Properties:white odorless crystalline powder, easily soluble in hot water and alcohols, aethers and acetone,
slightly soluble in cold water and benzene, insoluble in carbon bisulfide; relative density is 1.46
Use: Can be used as antiseptic, intermediate of dyes, pharmaceuticals; as main material of liquid crystal polymers; as material of pesticide intermediate
Specification
Item Specification
Polymer Grade Technical Grade
Appearance white crystal powder white crystal powder
Purity(on dry base) % 99.6 99.0
Melting Point 214-217 212-216
Odor odorless odorless
Solubility Clear and transparent clear and transparent
Loss on Drying % 0.20 0.50
Color(Pt-Co) 10 40
Ash % 0.02 0.15
Sulfate(SO42-) 0.01 0.05
Chloride(Cl-) % 0.005 0.02
Phe% 0.01 0.10
Salicylic Acid % 0.02 0.10
4-Hydroxyisophthalic Acid(HIPA) ppm 500 /
Insolubles in Metha ppm 50 /
Potassium(K+) ppm 5 /
Sodium (Na+) ppm 5 /
Iron (Fe) ppm 5 /
Ca2++Mg2+ppm 5 /
3. Uses:
1) water treatment: it can be used to disinfect drink water and water in swimming pool, algae-removing in circulating water.
2) Disinfection: It can be used in disinfecting dinner, food, and dishes, or used in the prophylactic disinfection of home, hotel and public place; hygiene and disease control of hospital; or used in the disinfection of silk worm, animals, birds and fish
3) Other: It can be used in anti-shrinkage finishing of wool, textile bleaching, antimoth of paper and chlorinated agent of rubber.
4. Technical Index:
Appearance: white powder/granular
Available chlorine: 90%Min
PH (1% Aq. Solution): 2.7-3.3
Moisture: 0.5% Max
Granular Size: 8-30mesh or 20-60mesh
Package: 25kg/50kg plastic drum, 50kg fiber drum.
5. Product: According to the requirements of production from customers.
English name:Â Calcium Nitrite
Molecular formula:Â Ca(NO2)2
Molecular weight:Â 132
CAS NO. 13780-06-8
HS CODE:Â 28341000
UN NO.: 2627 5.1 type oxidizing agent
Properties:Â White powder without crystal water. It is tasteless and toxic. Easily in water and presents light yellow solution.
Specifications:
Item Superior grade First grade Second grade
Calcium Nitrite[Ca(NO2)2Â as dry basis]% 94 92 90
Calcium Nitrate[Ca(NO3)2Â as dry basis]% <4 <5 <6
Calcium hydroxide[Ca(OH)2Â as dry basis]% <1.0 <1.0 <1.0
Moisture % <1.0 <1.0 <1.0
Water insoluble matter % <0.6 <1.0 <1.0
Uses:
1. Antifreezing agent.
2. Inhibitor of steel in concrete.
3. Can prepare compound early strength agent.
Packing 25/50/1000KG woven bag lined with plastic or according to customer's requirements.
1. Product Functions and Features
Sodium Selenite is a supplement of selenite for animal nutrition.
The product has stable quality and good liquidity and is easy to mix process.
2. Â Introduction
Mixed feed additives and sodium selenite.
The additive of microelement selenite in feed.
Usage & Dosage:The recommended amount in the compound feed(calculated by Selenite mg/kg)0.1-0.3mg for livestock,0.1-0.3mg for fishes.
3. Appearance
Light Grey Powder
4. Product quality standard
1%selenite 5% Â selenite
Sodium selenite (counted by Se)% 1 ±0.05 5 ±0.10
Moisture % 5
Pass 450 m test sieve% 95
Total arsenic content (counted by As)% 0.0005
Lead content (counted by Pb)% 0.002
Cadmium content (counted by Cd)% 0.001
5.Packing:25kg/bag
6. Storage conditions, methods and precautions:
stored in cool and dry places, and used up as soon as possible once unpacked.
