![[(1S,3S,4S)-4-Amino-3-hydroxy-5-phenyl-1-(phenylmethyl)pentyl]-carbamic acid 1,1-dimethylethyl ester CAS 144163-85-9](http://bsg-i.nbxc.com/product/26/36/90/43daedca562444560cbec42a6b.jpg@4e_360w_360h.src)
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Products
Model No.: TF-2010
Brand: Tianfu
Packaging: As Buyer's Request
Productivity: 100Ton
Transportation: Ocean,Land,Air,DHL，TNT
Place of Origin: China
Supply Ability: 50Ton
Certificate: ISO
Port: Shanghai port,Qingdao port
Payment Type: L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm: FOB,CFR,CIF,EXW,FCA,CPT,CIP
Phenolphthalein is a chemical compound with the formula C20H14O4 and is often written as "HIn" or "phph" in shorthand notation. Often used in titrations, it turns colorless in acidic solutions and pink in basic solutions. If the concentration of indicator is particularly strong, it can appear purple. In strongly basic solutions, phenolphthalein's pink color undergoes a rather slow fading reaction and becomes colorless again.
| 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 | |
Product Categories : Pharmaceutical Material > Pharmaceutical Intermediates
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.