一二三四区视频,亚洲少妇熟女色,日本久热无码视频网,欧美国产日韩大尺度,亚洲a视频,久久少妇一区二区,日韩999无码视频,刺激久久久久久久,啊啊啊啊不要啊在线

Welcome to chemicalbook!
+1 (818) 612-2111
RFQ
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 >Organic Chemistry>Hydrocarbons and derivatives>Hydrocarbon nitrification>4,5-Dimethoxy-2-nitrobenzoic acid
4,5-Dimethoxy-2-nitrobenzoic acid
  • 4,5-Dimethoxy-2-nitrobenzoic acid

4,5-Dimethoxy-2-nitrobenzoic acid

Price $1
Package 1g
Min. Order: 1g
Supply Ability: 20000kg
Update Time: 2019-08-22

Product Details

Product Name: 4,5-Dimethoxy-2-nitrobenzoic acid CAS No.: 4998-07-6
EC-No.: 225-657-2 Min. Order: 1g
Purity: 99% Supply Ability: 20000kg
Release date: 2019/08/22
Item
Standard
Test Results

Identification

A.H-NMR:Comply with the structure

Complies

B.LC-MS:Comply with the structure

Complies

C.The IR spectrum of sample should be identical with that of reference standard;

Complies

D.HPLC-ESI-MS

The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay.

Complies

Crystallinity

meets the requirements.

Complies

Loss on drying

≤2.0%

0.19%

Heavy metals

≤10 ppm

<10ppm

Water

≤1.0%

0.1%

Sulphated ash

≤0.5%, determined on 1.0 g.

0.009%

Related substances

Unspecified impurities: for each impurity

≤0.10%

<0.10%

Total Impurity

≤0.5%

0.18%

Purity

≥99.0%

99.7%

Assay

99.0%~101.0% (anhydrous substance).

99.8%

Microbiological Analysis

Total plate count

≤1000cfu/g

Complies

Yeast and Moulds

≤100cfu/g

Complies

E. Coli.

Absent

Negative

Salmonella

Absent

Negative

S.aureus

Absent

Negative

Storage

Preserve in well-closed, light-resistant and airtight containers.

Complies

Company Profile Introduction

You may like

Recommended supplier

Product name Price   Suppliers Update time
VIP2Y
Shaanxi Dideu New Materials Co. Ltd
2025-12-24
$8.00
VIP3Y
Henan Fengda Chemical Co., Ltd
2025-09-25
Hebei Yanxi Chemical Co., Ltd.
2025-06-20
$10.00
Hebei Linwo New Material Technology Co., LTD
2023-07-31
VIP4Y
Zibo Shiji Zhonglian Medical Technology Co., Ltd.
2023-02-10
$48.00
Shijiazhuang tongyang Import and Export Co., LTD
2021-08-12
$15.00
Zhuozhou Wenxi import and Export Co., Ltd
2021-07-13
$8.00
VIP8Y
Career Henan Chemical Co
2019-07-06
$15.00
Zhuozhou Wenxi import and Export Co., Ltd
2021-07-10
  • Since: 2014-05-13
  • Address: Room 2004, Oriental Century Square Tower A, East Road Yellow River, Xinhua District, Cangzhou City
INQUIRY
周至县| 沈丘县| 潼关县| 延边| 平昌县| 嵊泗县| 兴化市| 清水县| 嵩明县| 海安县| 锦屏县| 且末县| 石家庄市| 丹巴县| 宁强县| 抚州市| 新巴尔虎右旗| 巫山县| 昭苏县| 子长县| 吴旗县| 南投市| 淳化县| 尉犁县| 四川省| 麻城市| 石狮市| 阿克陶县| 邹城市| 荥经县| 惠东县| 蒙阴县| 交城县| 洞口县| 唐海县| 东方市| 库伦旗| 晋江市| 团风县| 专栏| 贵州省|