High quality Phenolphthalein
Min.Order / FOB Price:Get Latest Price
| 1 Kilogram |
FOB Price: USD 1.0000 |
- Min.Order :1 Kilogram
- Purity: 99%
- Payment Terms : L/C,D/A,D/P,T/T,
Keywords
Phenolphthalein 701-54-2 Phenolphthalein 701-54-2
Quick Details
- Appearance: White powder
- Application:Used
- PackAge:sample package
- ProductionCapacity:1000|Kilogram|Week
- Storage:dry and cool
- Transportation:By air
Superiority:
1.Reasonable price:
We provide high quality products with competitive price in china,
2.Low moq:
No worry about the low moq, our moq is 1 gram or lower.
3.Good and efficient service,Fast Delivery
Fast respond save client's time, we promise to reply inquiry in 24 hours including holidays and send quotation sheet and other documents in 48 hours.
4.Super-good quality
We have strict quality control system .Good reputation in Market
Contact us
If you have any further questions or need a sample,Please do not hesitate to contact us.
Leah| Senior Sales | Qingdao Sigmachemical Co.,Ltd
| Wechat/Whatsapp/Skype/Phone Number. +86 186 63970593
| Email:sales@sigmachemical.com.cn
| Address:No 70,Shandong Road,Qingdao city,China
Details:
Specifciation:
1.Competitive price
2.Fast Delivery Within 2 days
3.SGS , BV, GMP,ISO approve
4.Professional factory
Product Description
Product Name: Phenolphthalein
Synonyms: 2-[Bis(4-hydroxyphenyl)methyl]benzoic acid; 3,3-Bis(4-hydroxyphenyl)-1(3H)-isobenzofuranone; 3,3-Bis(4-hydroxyphenyl)phthalide
Molecular Formula: C20H14O4
Molecular Weight: 318.33
CAS Number: 77-09-8
EINECS/ELINCS: 201-004-7
Appearance: white powder
Melting Point: 258-263ºC
Density: 1.299 g/cm3
Solubility: <0.1 g/100ml
Stability: stable under ordinary conditions
Certification of Analysis
|
Items |
Standards |
Results |
|
Characteristics |
A white or almost white powder ,practically insoluble in water ,soluble in alcohol |
Conform |
|
Melting temperature |
≥260℃ |
260.5℃~262.6℃ |
|
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 0.5% |
< 0.5% |
|
Heavy metals |
≤10ppm |
<10ppm |
|
Arsenic |
≤8ppm |
<8ppm |
|
Acidity or Alkalinity |
Complies |
Complies |
|
Chlorides |
≤100ppm |
<100ppm |
|
Sulphates |
≤200ppm |
<200ppm |
|
Organic volatile impurities |
pass |
pass |
|
Chromatographic impurities |
≤1.0% |
<1.0% |
|
Fluoran |
To pass test |
Complies |
|
Loss on drying |
≤0.50% |
0.10% |
|
Sulphated ash (Residue on ignition) |
≤0.10% |
0.02% |
|
Assay |
98.0%~101.0% (C20H14O4) |
99.8% |
|
Remark |
Storage condition: Well closed container, store protected from light |
|
|
Conclusion |
It comply with BP2009 and USP23 |
|
Function&Application
- Pharmaceutical raw materials for pharmaceutical industry: suitable for habitual obstinate constipation, including tablet, suppository and other dosage forms.
- Used for organic synthesis: mainly used in synthetic plastics, in particular the synthesis of diazo - naphthyl ether ketone polyether ketone polymers.
- The fibers, coatings and composite materials made from it are widely used in electronics, mechanical equipment, transportation, aerospace, atomic energy engineering and military.
- Used for acid base indicator, non-aqueous solution titration indicator, color layer analytical reagent.
2.Fast Delivery Within 3 days
3.SGS,BV,GMP,ISO approve
4.Professional factor
The aim of Sigma is a quality policy that "Elements in the system all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.
Sigma has become the "Top 500 Chinese manufactur
Our Services
FAQ
Q1: Are you a manufacturer
Answer: Yes, we are factory founded on 2002.
Q2: How to contact with us
Click the Alibaba "Contact Supplier" And then send us message the product you interest in, you will get reply within 24 hours.
Q3:Which kind of payment terms do you accept
For small order,you can pay by T/T, or Paypal,nomal order by T/T to our company account
Q4:Can you give me a discount price
Surely,It depend on your qty
Q5:How can i get a sample
free samples is available,but freight charges will be at your account and the charges will be return to you or deduct from your order in the future.
Q6: How to confirm the Product Quality before placing orders
A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.
Q7:How do you treat quality complaint
A:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.
If you are interested,welcome to contact with us.
Pls send message if you are interested,click "send" as below ^.^
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