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4-Nitrophthalimide(Cas:89-40-7)

(1.0)
Supplier From China
Apr-30-24

4-Nitrophthalimide(CAS:89-40-7)

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p-oxybenzoic acid

P-Oxybenzoic Acid

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  Lianyungang Huaihua International Trade Co., Ltd.
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4-Hydroxybenzoic acid

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 /
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Calcium Carbide

Calcium Carbide

(4.9)
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  Lianyungang Huaihua International Trade Co., Ltd.
Supplier From Lianyungang, Jiangsu, China
Supplier Of Chemicals & Allied Products
 
Commodity: Calcium carbide
Molecular formula:CaC2
Molecule Weight: 64.10
H.S code:28491000
CAS: 75-20-7
UN NO.1402
HAZARD CLASS: 4.3

Application: It is a kind of basic material for organic synthesis, and can produce acetylene gas for cutting and welding, also be material for calcium cyanamide.

Appearance: Grey, black solid, purple when its purity is more than 90%.
Granule:4-25mm / 15-25mm / 25-50mm / 50-80mm /25-80/ 80-120mm

Package: Net in 100kg or 50kg new iron drums with nitrogen.

Specification: GB10665-2004

Specification Superfine Grade First Grade Second Grade
Gas yield(L/kg)L/kg 305 295-305 285-295
PH3 content in acetylene (PH3%) 0.06 0.08 0.08
H2S content in acetylene (H2S%) 0.1 0.1 0.1

Loading weight in 1 x 20fcl:22.5mt
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Caramel Color E150, CAS no.8028-89-5,

Caramel Color E150, Cas No.8028-89-5,

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MOQ: 1000  Kilograms
Sample Available
  Dinayen Enterprise Management
Supplier From Nanjing, China
Supplier Of Industrial Chemicals
 
Caramel Color, E150, CAS no.8028-89-5, is a water soluble food coloring manufactured through heat treatment of a variety of sugars, available as Dark brown black powder or liquid. Caramel color is one of the oldest and most widely used food coloring's. Caramel Color is widely used as coloring agent and flavor enhancer.

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Caramel Color Specification
ITEM STANDARD RESULTS
E 0.1%1CM (610nm) Absorbance 0.259-0.285 0.262
Specific Gravity(25�°C) 1.255-1.270 1.260
Viscosity(25�°C) Cps 8000 80
PH Value 2.7-3.3 3.0
Haze Pointâ?¥ mins 40 >40
Gelation Time â?¥mins 100 >100
Resinification â?¥ hrs 20 >20
Isoelectric Point 1.0 <1.0
Acid Stability Test No Haze No Haze
Alcohol Test(50% V/V alcohol solution No Haze No Haze
Ammoniacal Nitrogen(As NH3) % 0.5 0.3
Sulfur Dioxide(as SO2) % 0.1 0.025
Total Nitrogen(as N) % 3.3 1.2
Total Sulfur(as S) % 3.5 1.5
4-Methyl Imidazole mg/kg 200 150
Arsenic(As As) mg/kg 1.0 <1.0
Lead (As Pb) mg/kg 2.0 <2.0
Heavy Metals(As Pb) mg/kg 25 <25
Mercury(As Hg) mg/kg 0.1 <0.1
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L-Cystine powder, CAS No.56-89-3

L-Cystine Powder, Cas No.56-89-3

(4.6)
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MOQ: 1000  Kilograms
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  Dinayen Enterprise Management
Supplier From Nanjing, China
Supplier Of Industrial Chemicals
 
L-Cystine powder, CAS No.56-89-3, formed by the oxidation of two cysteine molecules, a non-essential amino acid. It is used as a component for parenteral and enteral nutrition and the main active ingredient for medications used to treat dermatitis. Cystine along with the amino acid methionine are the amino-acids necessary for wound healing and forming of epithelial tissue. Cystine is known to stimulate the hematopoietic system and promote the formation of white and red blood cells.

As an experienced L-Cystine manufacturer and supplier, we has been supplying and exporting L-Cystine for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day.

Product Description
Categories Amino Acids
Qty in 20 FCL 18000kg
Min Order 500kg
Origin China
Packaging Factory Packaging or Neutral
Certificate ISO, Kosher, Halal, BRC
CAS No. 56-89-3
HS Code 293090
Specification Feed/Food Grade

L-Cystine Specification
Item STANDARD
Specific rotatory power[±] D20 -215 -225
Clarity 98.0%
Ammonium salt[NH4] 0.02%
Chloride[CL] 0.02%
Residue on ignition 0.10%
Sulfate[SO4] 0.02%
Iron salt[Fe] 10 ppm
Heavy metal[Pb] 10 ppm
Arsenic salt 1 ppm
Other amino acid Color layer can not be checked out.
Loss on drying 0.20%
Content 98.5 -101.0%
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Ammonium Nitrate Porous Prills

Ammonium Nitrate Porous Prills

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  Lianyungang Huaihua International Trade Co., Ltd.
Supplier From Lianyungang, Jiangsu, China
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Commodity: Ammonium nitrate porous prills
Molecular formula: NH4NO3
Molecule Weight: 80
CAS: 6484-52-2
UN:1942
Hazardous class:5.1


Commodity: Ammonium nitrate porous prills
1.Production of granular porous ammonium nitrate for industrial use and agricultural granular ammonium nitrate. Products with low moisture content, not easy to cake; high compressive strength, not easy to break; high oil absorption rate. Ammonium nitrate content is more than 99%, the appearance is white granular crystals, no impurities visible to the naked eye.

2. Purpose:
Explosive material: granular ammonium oil explosive is made by mixing porous ammonium nitrate with raw oil. Its speed can reach more than 3 200 m/s. This explosive has strong explosive power, safe and reliable use, low price, cost saving, and can usually reduce the cost by 20%-40%. At present, this kind of explosive has been widely used in mining, construction, railway and highway construction, agricultural and water conservancy construction and national defense and other fields.

3. Product specifications:
Specifications:
Appearance white granule
Particle size 0.5-2.5mm
NH4NO3 >99.5%
N >34%
Oil absorption > 8%
Moisture < 0.2%
PH >4
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Calcium Nitrite

Calcium Nitrite

(4.9)
$590
MOQ: Not Specified
  Lianyungang Huaihua International Trade Co., Ltd.
Supplier From Lianyungang, Jiangsu, China
Supplier Of Industrial Chemicals
 
English name: Calcium Nitrite
Molecular formula: Ca(NO2)2
Molecular weight: 132
CAS NO. 13780-06-8
HS CODE: 28341000
UN NO.: 2627 5.1 type oxidizing agent
Properties: 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)2 as dry basis]% 94 92 90
Calcium Nitrate[Ca(NO3)2 as dry basis]% <4 <5 <6
Calcium hydroxide[Ca(OH)2 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.
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Feb-02-18
Sodium Hydrosulfite

Sodium Hydrosulfite

(4.9)
$1.20K
MOQ: 20  Tons (UK)
  Lianyungang Huaihua International Trade Co., Ltd.
Supplier From Lianyungang, Jiangsu, China
Supplier Of Chemicals & Allied Products
 
Commodity: Sodium Hydrosulfite
Other name: Synonyms: Sodium Hydrosulphite; Sodium Dithionite; Dithionous acid, Disodium salt; Sodium Sulfoxylate
CAS No.: 7775-14-6
Molecular Weight: 174.10
Chemical Formula: Na2S2O4

Product Description
Appearance: White, crystalline powder.

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
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