Product Description
Product Description
Phenolphthalein appears as white or yellowish-white to pale orange fine crystalline powder. Odorless. Aqueous solution is acidic. Colorless to pH 8.5; pink to deep-red above pH 9. Colorless in presence of large amounts of alkali. Tasteless.Phenolphthalein is an organic compound used as a laboratory reagent and pH indicator. Phenolphthalein exerts laxative effects by stimulating the intestinal mucosa and constricting smooth muscles. However, phenolphthalein is no longer used as a laxative due to the suspected carcinogenicity of this compound.
Product Spesfication
| TEST ITEM: |
SPECIFICATION: |
RESULTS: |
| Characteristics: |
A white or almost white powder, practically insoluble in water, soluble in alcohol. |
A white powder, practically insoluble in water, soluble in alcohol. |
| Melting Point |
It melts at about 260°C-262°C |
261°C ~262°C |
| Identification |
A:Positive
B:Positive |
A:Positive
B:Positive |
| Appearance of solution |
The solution is clear and not more intensely coloured than reference solution Y7 |
Complies |
| Related substances |
Less than 0.01% |
<0.01% |
| Heavy metals |
Not more than0.001% |
<0.0009% |
| Acidity or alkalinity |
Complies |
Complies |
| Chlorides |
Not more than 0.01% |
<0.01% |
| Sulphates |
Not more than 0.02% |
<0.02% |
| Loss on drying |
Not more than 0.5% |
0.12% |
| Sulphated ash |
Not more than 0.1% |
0.01% |
| Assay |
98.0%-101.0%(C20H14O4) |
99.6% |
| Storage condition: |
Store in well closed drums, in cool and dry storage area. |
GreatAp Chemicals Co. Ltd is one of Chinese chemicalmanufacturer devoted to kinds of fine & special chemicals with R & D, Production and International trade from 1992. So far, our foreign customer are mainly from America, Europe, South-east Asia and middle east, and we get good reputation from customers there.
Water treatment chemicals is one of our main parts, especially, Biocide-algaecide, such as Polyquats. is our most advantageous series. You could select as your specific applications for swimming pools, SPA, hot tubs, aquariums, fountains, oil field and other industrial cooling water systems. Alternatively, you could use our polyquats. solely or combine with other chemicals as your formulations.
For New Green Energy, we have developed and innovated our study and production on chemicals for Hydrogen Storage and Fuel Cell solution on the base of Metal Hydride/Borohydride.
Packaging & Shipping
FAQ
Q1: May I get one sample before placing order?
Re: Yes, Sample are available. For normal products, samples are for free and you just need to bear the freight; For those high value products, you just need to freight and certain product cost. When we both cooperate for some times or when you are our VIP customer, free sample will be offered when you need.
Q2: Which payment is available for your company?
Re: T/T, L/C. You can choose the one which is convenient for you.
Q3: How and when can I get my goods after payment?
Re: For small quantity products, they will be delivered to you by international courier(DHL, FedEx, TNT etc.) or by air. Usually it will cost 3-5days that you can get the goods after delivery.For large quantity products, shipping by see is worthwhile.It will cost days to weeks to come to your destination port, which depends on where the port is.
Q4: Is there any possible to use my appointed label or package?
Re: Yes. If needed, we'd like to use label or package according to your requirement.
Q5: How can you guarantee the goods you offer is qualified?
Re: We always believe honesty and responsibility are basis of one company, so whatever products we provide for you all are qualified. We will have goods tested and provide COA before delivery for sure.
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