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!
WhatsApp
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>aliphatic ketones>Squaric acid
Squaric acid
  • Squaric acid
  • Squaric acid
  • Squaric acid
  • Squaric acid
  • Squaric acid

Squaric acid NEW

Price $50 $35 $9
Package 1kg 100kg 1000kg
Min. Order: 1kg
Supply Ability: 10 tons
Update Time: 2025-06-20

Product Details

Product Name: Squaric acid CAS No.: 2892-51-5
EC-No.: 220-761-4 Min. Order: 1kg
Purity: 0.99 Supply Ability: 10 tons
Release date: 2025/06/20

Square acid, scientific name 3, 4-dihydroxy-3-cyclobutene-1, 2-dione, is a cyclobutene derivative.

Name

3,4-Dihydroxy-3-cyclobutene-1,2-dione

EINECS220-761-4
CAS No.2892-51-5Density2.415 g/cm3
PSA74.60000LogP-0.53420
Solubilitywater: 20 g/L (30 °C)Melting Point>300 °C(lit.)
FormulaC4H2O4Boiling Point250.963 °C at 760 mmHg
Molecular Weight114.057Flash Point119.84 °C
Transport InformationN/AAppearanceWhite powder

Appearance and character: strong acid, pKl=1.5; pK2=3.5. Produces dark purple with aqueous ferric chloride. It can be oxidized by bromine and potassium permanganate and does not react with phenylhydrazine. Similar in nature to carboxylic acid, it can form salts with bases, esters, acyl chloride, amides and mixed acid anhydrides.

Solubility in water :20 G/L (30°C).

Melting point :300 °C

Flash point :190 °C

Melting point: >300 °C(lit.)

Flash point: 190 °C

Water solubility: 20 g/L (30 oC)

Article illustrationArticle illustration

Company Profile Introduction

Hebei Yanxi Chemical Co. LTD., mainly produce the Carbomer940/980/u21 and lead acetate and lead oxide, lead stearate, lead salt, at the same time operating organic intermediates, surfactants, Food additive,inorganic salt, plant extracts, cosmetics raw material, etc., through long-term development, hebei said bush chemical co., LTD. In hebei province has become a collection of r &d, production, sales in the integration of high-tech enterprises.

You may like

Recommended supplier

Product name Price   Suppliers Update time
$3.00
VIP3Y
Henan Fengda Chemical Co., Ltd
2026-07-09
VIP2Y
Shaanxi Dideu New Materials Co. Ltd
2026-07-01
Hebei Chuanghai Biotechnology Co., Ltd
2025-06-27
$80.00
Hebei Zhuanglai Chemical Trading Co.,Ltd
2025-04-15
SHANDONG OUCHEM CO.,LTD.
2025-01-07
Shaanxi Haibo Biotechnology Co., Ltd
2024-04-12
$1.00
VIP4Y
Zibo Shiji Zhonglian Medical Technology Co., Ltd.
2023-06-09
$10.00
Hebei Zhanyao Biotechnology Co. Ltd
2021-10-11
$7.00
VIP9Y
Career Henan Chemical Co
2019-07-06
INQUIRY
Peter Lee
17531190177
岢岚县| 柳林县| 稷山县| 凤翔县| 武冈市| 甘泉县| 岢岚县| 漾濞| 宜兴市| 如东县| 滕州市| 泰安市| 丽水市| 岢岚县| 石阡县| 亳州市| 客服| 唐山市| 晋城| 澄城县| 德昌县| 重庆市| 合川市| 浮山县| 丹棱县| 武邑县| 大埔县| 茶陵县| 马鞍山市| 和顺县| 庆云县| 呼玛县| 新民市| 桂林市| 分宜县| 毕节市| 台湾省| 咸丰县| 静乐县| 林口县| 开化县|