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 >Chemical Reagents>Organic reagents>Carboxylic anhydride>3,3',4,4'-biphenyltetracarboxylic dianhydride; BPDA
3,3',4,4'-biphenyltetracarboxylic dianhydride; BPDA
  • 3,3',4,4'-biphenyltetracarboxylic dianhydride; BPDA

3,3',4,4'-biphenyltetracarboxylic dianhydride; BPDA

Price Get Latest Price
Package 25ASSAYS
Min. Order: 1KG
Supply Ability: 10MT
Update Time: 2020-03-22

Product Details

Product Name: 3,3',4,4'-biphenyltetracarboxylic dianhydride; BPDA CAS No.: 2420-87-3
EC-No.: 219-342-9 Min. Order: 1KG
Purity: 99.5% Supply Ability: 10MT
Release date: 2020/03/22

3,3',4,4'-biphenyltetracarboxylic dianhydride; BPDA
Molecular Formula:C16H6O6
Molecular Weight:294.22
CAS:2420-87-3
EINECS:219-342-9
Melting point:299-305 ºC
Purity:99.9%
3,3',4,4'-biphenyltetracarboxylic dianhydride be used for the preparation of a polyimide material.

Company Profile Introduction

Career co-creation, benefit sharing, lasting innovation and harmonious development are the core values of Yuanda people. Co-creation and sharing is the foundation of Yuanda Chemical. Co-creation and sharing is to create business together and share benefits with employees, shareholders and customers. Employees work hard for Yuanda's growth, shareholders build a platform for Yuanda's business, and customers create markets for Yuanda's operations. This is the cornerstone of Yuanda Chemical. In the process of creating wealth, Yuanda Chemical insists on motivating employees with value, returning shareholders with benefits, dedicating customers with quality products, and earnestly fulfilling social responsibilities. Yuanda Chemical is the result of Co-creation and sharing. Through continuous innovation, Yuanda Chemical has enabled the company to maintain its vitality forever; and through the construction of a harmonious “heart” culture, the company has achieved rapid development. Tongchuang Sharing can make Yuanda Chemical an outstanding enterprise with employee pride, customer respect, peer admiration, government support and social trust, ensuring Yuanda chemical industry is evergreen.

Recommended supplier

Product name Price   Suppliers Update time
$156.00
VIP6Y
Shanghai UCHEM Inc.
2026-06-05
VIP6Y
WUHAN FORTUNA CHEMICAL CO., LTD
2026-06-05
VIP2Y
HANGZHOU HAILAN CHEMICAL CO.,LTD.
2026-06-05
VIP8Y
Jinan Finer Chemical Co., Ltd
2026-05-21
VIP5Y
CHINATECH(TIANJIN) CHEMICAL CO.,LTD.
2026-05-18
Hebei Chuanghai Biotechnology Co., Ltd
2026-03-20
VIP9Y
Changzhou Pesan Chemical Co.,Ltd.
2025-12-23
$158.00
VIP3Y
Henan Fengda Chemical Co., Ltd
2025-09-25
VIP6Y
Hangzhou Verychem Science And Technology Co.Ltd
2025-09-10
VIP9Y
Shanghai Daken Advanced Materials Co.,Ltd
2025-07-02
  • Since: 2009-08-21
  • Address: No. 1480, North Section of Tianfu Avenue, High-tech Zone, Chengdu, Sichuan Province
INQUIRY
David chen
18980937689
chenquanxing@126.com
娱乐| 宜兰市| 楚雄市| 萝北县| 平昌县| 元阳县| 方正县| 五莲县| 苗栗县| 克东县| 翁牛特旗| 普兰县| 淄博市| 堆龙德庆县| 富民县| 若羌县| 绥江县| 甘南县| 元江| 藁城市| 神木县| 景泰县| 舟山市| 井陉县| 凯里市| 忻州市| 丹棱县| 竹山县| 长白| 梅河口市| 青阳县| 洮南市| 衡南县| 韩城市| 新平| 海淀区| 兰考县| 留坝县| 城固县| 佛坪县| 阿克|