成人免费xx,国产又黄又湿又刺激不卡网站,成人性视频app菠萝网站,色天天天天

Welcome to chemicalbook!
+1 (818) 612-2111
Inquriy
Try our best to find the right business for you.
Do not miss inquiry messages Please log in to view all inquiry messages.

Welcome back!

RFQ
skype
MY Account
Top
Postion:Product Catalog >Chemical Reagents>Organic reagents>fatty acid> Dl-Mandelic Acid
 Dl-Mandelic Acid
  •  Dl-Mandelic Acid
  •  Dl-Mandelic Acid
  •  Dl-Mandelic Acid
  •  Dl-Mandelic Acid
  •  Dl-Mandelic Acid

Dl-Mandelic Acid NEW

Price Get Latest Price
Package 1kg
Min. Order: 1kg
Supply Ability: 10000kg
Update Time: 2024-05-09

Product Details

Product Name: Dl-Mandelic Acid CAS No.: 90-64-2
EC-No.: 202-007-6 Min. Order: 1kg
Purity: 99% Supply Ability: 10000kg
Release date: 2024/05/09

Factory Provide CAS 90-64-2 Dl Mandelic Acid Dl-Mandelic Acid Powder


Article illustration

Introduction

Product Name :    Dl-Mandelic Acid

Othe name :alpha-Hydroxy-benzeneacetic acid;alpha-Hydroxyphenylacetic acid;Kyselina 2-fenyl-2-hydroxyethanova

CAS No. 90-64-2

Molecular Formula: C8H8O3

MW: 152.15

Assay: 99%
Appearance: White powder
Melting Point :119-121 °C (lit.)

Boiling Point:214.6°C (rough estimate)

Density :1.30

Storage :Sealed in dry,Room Temperature


Mandelic acid is an aromatic alpha hydroxy acid with the molecular formula C6H5CH(OH)CO2H. It is a white crystalline solid that is soluble in water and polar organic solvents. It is a useful precursor to various drugs. Since the molecule is chiral, it exists in either of twoenantiomers as well as the racemic mixture, known as paramandelic acid. Mandelic Acid is a colorless chemical, flake or powder solid, light color, slight odor. Soluble in hot water. In the pharmaceutical industry can be used for intermediate methyl benzoylformate, cefamandole, vasodilator Cyclandelate, eyedrops Hydrobenzole, cylert etc, also can be used as a preservative. Used as a chemical reagent for organic synthesis. Used as pesticide raw materials and intermediates, dye intermediates, etc.


Product Name

Mandelic acid

L-(+)-Mandelic acid

D mandelic acid

CAS

611-72-3 90-64-2

17199-29-0

611-71-2

Assay

≥99%

≥99%

≥99%

Molecular Formula

C8H8O3

C8H8O3

C8H8O3

Melting Point

118-121°C

131-135°C

131-135

Moisture

≤0.5%

≤0.5%

≤0.5%

Appearance

White crystal or crystalline powder

White oblique flake crystals

white crystal or crystalline powder

Specific Rotation

/

[α]D20: +153~+157.5

[α]D20: -153~-157.5

Ignition Residue

/

≤0.2%

≤0.2%


Specification 

Item

Specifications

Results

Appearance

White crystal

White crystal

Solubility

Soluble in water and ether

Soluble in water and ether

Cyanide

Should be absent

No detected

Assay (Benzene)

50 ppm max

No detected

Assay (on dry basis)

99% min

99.86%

Melting point

117oC~121oC

118.6oC~119.2oC

[a]D20

±0.25°

Transmittance

(10% w/v water)

Not less than 90%

97.1%

Residue on ignition

0.5% max

0.02%

Turbidity

<20NTU

11.31NTU

Moisture

0.5% max

0.07%

Conclusion

The results conforms with enterprise standards

Application

1.In pharmaceutical field, mandelic acid is used as intermediates of Methenamine Mandelate,Hacosan, Hydrrobenzole and more.

2.In cosmetics, mandelic acid is used for acne treatment, wrinkles treatment, pre-laser and post-lser  treatment. mandelic acid is used in cleansers, face washes, moisturizers and eye-life creams.

3.For industrial use, mandelic acid is used for synthesis.

Article illustration




Company Profile Introduction

Shaanxi TNJONE Pharmaceutical Co., Ltd supplies more than 2,000 kinds of products, covering the whole field of health industry, including human APIs, veterinary APIs, food additives, natural nutrition ingredients, feed additives, cosmetic additives, intermediates etc. With global sourcing advantages, the group is fully capable of meeting the one-stop sourcing needs of global customers. Today, Shaanxi TNJONE Pharmaceutical Co., Ltd.'s marketing network has spread over more than 100 countries and regions on five continents, providing professional service for global customers.

You may like

Recommended supplier

Product name Price   Suppliers Update time
$29.00/1mL
VIP5Y
TargetMol Chemicals Inc.
2024-11-06
$2.00/1kg
VIP4Y
Hebei Chuanghai Biotechnology Co,.LTD
2024-08-21
$6.00/1kg
VIP1Y
HebeiShuoshengImportandExportco.,Ltd
2024-08-01
$0.00/1kg
VIP2Y
Hebei Kingfiner Technology Development Co.Ltd
2024-06-19
$120.00/1kg
VIP1Y
Hebei Zhuanglai Chemical Trading Co.,Ltd
2024-05-17
$7.00/1KG
VIP1Y
Hebei Longbang Technology Co., Ltd
2024-05-17
$6.00/1KG
VIP1Y
Hebei Saisier Technology Co., LTD
2024-05-06
$2600.00/1T
VIP1Y
Yujiang Chemical (Shandong) Co.,Ltd.
2024-04-24
$25.00/25kg
VIP1Y
Hebei Jingbo New Material Technology Co., Ltd
2023-11-24
$0.00/1KG
VIP3Y
Hebei Weibang Biotechnology Co., Ltd
2023-02-14

Shaanxi TNJONE Pharmaceutical Co., Ltd

1YR ChinaChina
  • Since: 2019-05-23
  • Address: No. 4C-11-A392, Financial Port, Northwest corner of Fengjing Avenue and Fengxin Road, Fengdong New C
INQUIRY