3,4,5-三羟基苯甲酸

3,4,5-Trihydroxybenzoic acid
CAS NO:149-91-7
规格:,AR,98.5%,分析标准品,98%,AR
包装规格:250g,1000g,5000g,100 G,250 G,1 KG,100 MG,250克,20毫克,250毫克,25g,100g,500g,25KG,5g,1kg,5kg,250mg,25MG
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产品价格
产品编号品牌纯度规格包装单位单价(元)现货
3062039Alfa Aesar98%250g1760请咨询
3062039Alfa Aesar98%1000g5090请咨询
3062039Alfa Aesar98%5000g11610请咨询
3089920Sigma-Aldrich98%100 G1410请咨询
3089920Sigma-Aldrich98%250 G1650请咨询
3089920Sigma-Aldrich98%1 KG5110请咨询
3089921Supelco98%100 MG1880请咨询
3446856RyonAR,98.5%250克114请咨询
3446856Ryon分析标准品,98%20毫克57请咨询
3446856Ryon分析标准品,98%250毫克240请咨询
3469378翁江AR25g28请咨询
3469378翁江AR100g71请咨询
3469378翁江AR500g240请咨询
3469378翁江AR25KG5620请咨询
3478430Alfa Aesar98%5g1022请咨询
3478430Alfa Aesar98%250g2850请咨询
3478430Alfa Aesar98%1kg5480请咨询
3478430Alfa Aesar98%5kg31560请咨询
3515583J&K98%25G109请咨询
3515583J&K98%100G313请咨询
3515583J&K98%500G1100请咨询
3990258CATO98%250mg526请咨询
3993105Dr Ehrenstorfer98%250mg1133请咨询
4015007J&K98%25MG82请咨询
411886698%100 MG4150请咨询
4140002Supelco98%100 mg6140请咨询
结构式
基本信息
应用
Organic acid is used as a standard for determining phenols in the Folin-Ciocalteau assay3,4,5-Trihydroxybenzoic acid is used as a cyclooxygease inhibitor substance, which is found in plants. In analytical chemistry, it is used as a standard to determine phenol content in various analytes. It acts as a starting material for the preparation of psychedelic alkaloid mescaline. Further, it is used to produce polyesters based on phloretic acid and gallic acid. In addition to this, it is used in the preparation of its esters such as methyl gallate, ethyl gallate, propyl gallate, octyl gallate and doceyl gallate.
备注
Hygroscopic. Light sensitive. Incompatible with strong oxidizing agents, strong bases, acid anhydrides, acid chlorides, metals.
MDL
MFCD00002510
EINECS
205-749-9
分子式
C7H6O5
分子量
170.12
熔点
ca 251° dec.
密度
1.694
灵敏度
Hygroscopic. Light Sensitive. Ambient temperatures.
形态
Powder
溶解性
Soluble in water, alcohol, ether, glycerol and acetone. Insoluble in benzene, chloroform and petroleum ether.
Beilstein
2050274
Merck
14,4345
危险类别
36/37/38
Irritating to eyes, respiratory system and skin.
安全信息
安全等级
26-37
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
RTECS
LW7525000
TSCA
GHS危害和防范说明
GHS符号
 
Hazard Statements
H315-H319-H335
Causes skin irritation.Causes serious eye irritation.May cause respiratory irritation.
Precautionary Statements
P261-P280a-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapours/spray.Wear protective gloves and eye/face protection.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations.
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