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4, 4'-Oxydiphthalic Anhydride

(1.3)
Supplier From China
Oct-11-11

CAS NO.: 1823-59-2
EINECS: 412-830-4
MF: C16H6O7
MW: 310.22
MP: 225-229 oC
Appearance: white crystalline powder
Content: 99%.

Price and Minimum Quantity

Price: $100 - $2000
MOQ: Not Specified
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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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Sorbitol liquid 70%, CAS no.50-70-4, also known as glucitol, manufacturing process from purified glucose as material via hydrogenation refining and concentration. It appears as a colorless liquid, used as a food sweetener. Uses: food-grade liquid sorbitol can also be used as a sweetener in home brewing, cheeses, processed fruit, dried vegetables, fat spreads, and baked goods. Sorbitol liquid is also used in modern cosmetics as a humectant and thickener. Sorbitol is also used in some toothpastes and mouthwashes.

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Categories Sweeteners
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Certificate ISO, Kosher, Halal, BRC
E No. E420
CAS No. 50-70-4
HS Code 382460
Specification FCC/USP

Sorbitol liquid 70% Technical grade Specification
Item Specification Our control
Appearance Transparent, sweety,viscidity qualified
Dry solds,% 69.0-71.0 70.0
Sorbitol content(based on dry basis),% 70.0 70.0
Ph value 5.0-7.5 5.0-7.5
Specific Gravity (Relative density(d2020)) 1.285-1.315 1.285-1.315
Reducing Sugars(based on dry basis),% 0.21 0.15
Total Sugars(based on dry basis),% 8.0 8.0
Residue on ignition,% 0.10 0.10
Refraction Rate 1.4575-1.4620 1.4605
Conductivity Rate 10 s/cm 10 s/cm
Heavy metal 5PPM 5PPM
Lead(base on pb) 1PPM 0.5PPM
As (base on As) 2PPM 1PPM
Chlorid(base on Cl) 10PPM 10PPM
Sulphate(base on SO4) 50PPM 20PPM
Nickel(base on Ni) 2PPM 1PPM
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Easy carbony substance According with the test
Identification A Meet the erquirement
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Vanilla powder Specification
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Iron(Fe) 0.0010% max
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Product Description
Categories Amino Acids
Qty in 20' FCL 20000kg
Min Order 500kg
Origin China
Packaging Factory Packaging or Neutral
Certificate ISO, Kosher, Halal, BRC
CAS No. 72-18-4
HS Code 292249
Specification Feed/Food Grade

L-Valine Specification
Specific rotation +27.6-+29.0
Heavy metals 10ppm
Water content 0.20%
Residue on ignition 0.10%
assay 99.0-100.5%
PH 5.0~6.5
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