| CAS No.: | 87-66-1 |
|---|---|
| Formula: | C6h6o3 |
| EINECS: | 201-762-9 |
| Type: | Dyestuff Intermediates |
| Appearance: | Powder |
| Quality: | Industrial |
| Samples: |
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| Customization: |
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Product name: PyrogallolWhat Is Pyrogallol CAS 87-66-1?
Pyrogallol CAS 87-66-1 is white odorless crystal. It tastes bitter. Exposure to air and light turns gray. Heat slowly and begin to sublimate. Melting point 133-134 ºC, boiling point 309 ºC, relative density 1.453, refractive index 1.561. Soluble in water, ethanol, ether, slightly soluble in benzene, chloro-form, carbon disulfide. When exposed to air, the color of the aqueous solution darkens, while the color of its caustic solution changes faster.
|
ITEM |
STANDARD |
RESULT |
|
Appearance |
White Crystalline Powder |
Conform |
|
Loss on Drying |
0.5% Max |
0.15% |
|
Melting Point |
131-135ºC |
132.8-134.4ºC |
|
Heavy Metal(PB) |
5.0ppm Max |
Conform |
|
Chlorides |
0.002% Max |
Conform |
|
Sulphate |
0.005% Max |
Conform |
|
Purity |
99.0% Min |
99.55% |
Application Of Pyrogallol CAS 87-66-1
Used for preparing metal colloidal solution, coloring leather, dyeing and etching fur, hair, etc; It can also be used as a developer of film, an infrared photographic thermosensitive, a polymerization inhibitor of styrene and polystyrene, an intermediate of medicine and dyes, and an analytical reagent.
It is mainly used in the production of developer, polymerization inhibitor and infrared photographic thermosensitive. It is also used as an intermediate of medicine and dyes
Used as analytical reagent, reductant and developer
Used for analysis and determination of oxygen, antimony, bismuth, ce-rium, iron, molybdenum, tantalum and niobium; Used to absorb oxygen in gas analysis; Used for color reaction of nitrite, molybdenum, niobium, titanium, ce-rium, bismuth, copper, vanadium, iron, iodate, etc
Metal complexing agent.Gravimetric determination of bismuth and antimony. Reductants of gold, silver, mer-cury salts, phosphomolybdic acid and phosphotungstic acid, which are used to absorb oxygen in gas analysis.
25kgs/drum,9tons/20'container
Unilong Industry Co.,Ltd. is a growing high-tech chemical enterprise, and located in Zibo Zhangdian chemical industrial park of Shandong province. Now Unilong company already is a world leading professional manufacturer and distributor for fine chemicals materials.
With the development of society, more and more people pay more attention to environmental health.In recent years, we are engaging to expand new materials field and also set up a researching team, particularly for the fields of nutrition, skin care, daily care chemical materials.
Q1: Are you trading company or manufacturer?
A1: We are chemical factory in China. So we can provide wholesale price.
Q2: How can I get the samples?
A2: We can provide you sample for our existing products, the lead time is about 1-5 days.You just need to pay the sample
Q3: Can you provide relevant documents?
A3: Of course. We can provide Commercial Invoice, Packing List, Bill of loading, COA and Origin certificate.
Q4: Do you accept third party inspection?
A4: Yes.we do.
Q5: How long is your delivery time?
A5: Generally it is with 7 days if the goods are in stock. According to quantity your required,the delivery time may slightly change.
Q6: What's your terms of payment?
A6: We can accept various payment methods, L/C, T/T, Paypal, Western Union etc.
Q7: Can your company accept the special requirements of your customers?
A7: Of course, we can.
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