CAS 20825-89-2; 3,4-二氢-2h-1,5-苯并二氧环丙-7-羧酸; 3,4-(trimethylenedioxy)benzoic acid

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D832059

MACKLIN

3,4-二氢-2H-1,5-苯并二氧七环-7-甲酸

97%

152元/250mg; 375元/1g; 1242元/5g;

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储存：2~8℃,干燥,密封
状态：固体

H27175

Alfa Aesar

3,4-Dihydro-2H-1,5-benzodioxepin-7-carboxylic acid

98%

2075元/1g; 6376元/5g;

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基本信息

MDL
MFCD00276310

分子式
C₁₀H₁₀O₄

分子量
194.19

熔点
146-148°

形态
Powder

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.

安全信息

危险类别
36/37/38
Irritating to eyes, respiratory system and skin.

安全等级
26-37
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

TSCA
否

Y26761

Alfa Aesar

3,4-Dihydro-2H-benzo[b][1,4]dioxepine-7-carboxylic acid

504元/250mg; 1033元/1g; 3070元/5g; 5653元/10g;

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基本信息

分子式
C10H10O4

分子量
194.18

461025

Fluorochem

3,4-Dihydro-2H-benzo[b][1,4]dioxepine-7-carboxylic acid

95%

1078元/1g; 4620元/5g; 8778元/10g;

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基本信息

CAS Number	20825-89-2
MDL Number	MFCD00276310
Melting Point	140-160℃

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 .