CAS 3934-87-0; 3,4-二羟基-5-甲氧基苯甲醛; 3,4-Dihydroxy-5-methoxy benzaldehyde

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CAS:

3934-87-0

分子式:

C8H8O4

分子量:

168.15

熔点:

131-134°C

中文名称:

3,4-二羟基-5-甲氧基苯甲醛

5-羟基香兰醛

5-羟基香兰素

5-羟基香草醛

英文名称:

3,4-Dihydroxy-5-methoxy benzaldehyde

5-Hydroxy vanillin

3,4-dihydroxy-5-methoxy-benzaldehyd

3,4-dihydroxy-5-methoxybenzaldehyde

5-hydroxyvanillin

5-methoxyprotocatechualdehyde

5-methoxy-protocatechualdehyd

3,4-dihydroxy-5-methoxybenzaldehdye

性质描述:

结晶。熔点130-131℃ （132.5-134℃ ）。

生产方法:

用香兰醛以溴素溴化，生成5-溴香兰醛，将后者与氢氧化钠溶液在铜粉参与下反应制得该品。

用途:

联苯双酯的中间体。

推荐供应商

货号

品牌

产品名称

规格

包装、参考价格

H824465

MACKLIN

5-羟基香草醛

95%

33元/200mg; 71元/1g; 320元/5g; 1594元/25g;

咨询

储存：室温,干燥,密封
状态：黄色-棕色固体

Y21847

Alfa Aesar

3,4-Dihydroxy-5-methoxybenzaldehyde

494元/250mg; 745元/1g; 2152元/5g; 4063元/10g;

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基本信息

分子量
168.15

464120

Sigma-Aldrich

3,4-Dihydroxy-5-methoxybenzaldehyde

96%

608元/1 G; 1918.6元/5 G;

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产品说明

一般描述

3,4-Dihydroxy-5-methoxybenzaldehyde can be obtained by reactting 5-iodovaniliin with sodium hydroxide and copper sulfate solution.

应用

3,4-Dihydroxy-5-methoxybenzaldehyde may be used for the preparation of 3,4-dihydroxy-6-methoxy-β-nitrostyrene and 5-hydroxyconiferyl alcohol.

包装

1, 5 g in glass bottle

基本信息

线性分子式	CH₃OC₆H₂(OH)₂CHO
分子量	168.15
EC 号	223-513-3
MDL编号	MFCD00016610
PubChem化学物质编号	24870141
NACRES	NA.22

产品性质

测定	96%
mp	131-134 ℃ (lit.)
SMILES string	COc1cc(C=O)cc(O)c1O
InChI	1S/C8H8O4/c1-12-7-3-5(4-9)2-6(10)8(7)11/h2-4,10-11H,1H3
InChI key	RRKMWVISRMWBAL-UHFFFAOYSA-N

安全信息

象形图
警示用语：	Warning
危险声明	H315 - H319 - H335
预防措施声明	P302 + P352 - P305 + P351 + P338
危险分类	Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
靶器官	Respiratory system
储存分类代码	11 - Combustible Solids
WGK	WGK 3
闪点(F)	Not applicable
闪点(C)	Not applicable
个人防护装备	dust mask type N95 (US), Eyeshields, Gloves

222967

Fluorochem

3,4-Dihydroxy-5-methoxybenzaldehyde

95%

880元/1g; 3300元/5g;

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基本信息

CAS Number	3934-87-0
MDL Number	MFCD00016610
Melting Point	126-133℃

安全信息

图形或危害标志
危险性说明	H315: Causes skin irritation. H319: Causes serious eye irritation. H335: May cause respiratory irritation.
防范说明	P233: Keep container tightly closed. P260: Do not breathe . P261: Avoid breathing . P264: Wash hands thoroughly after handling. P271: Use only outdoors or in a well-ventilated area. P280: Wear . P302 + P352: IF ON SKIN: Wash with plenty of soap and water. P304: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.. P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P312: Call a POISON CENTER or doctor/physician if you feel unwell. P321: Specific treatment (see relevant procedures. on this label). P332 + P313: If skin irritation occurs: Get medical advice/ attention. P337 + P313: If eye irritation persists: Get medical advice/attention. P340: Remove victim to fresh air and keep at rest in a position comfortable for breathing. P362: Take off contaminated clothing and wash before reuse. P403: Store in a well-ventilated place. P403 + P233: Store in a well-ventilated place. Keep container tightly closed. P405: Store locked up. P501: Dispose of contents/container to in accordance with local regulation .

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