CAS 2434-03-9; 4,5-二溴-2-糠酸; 2,3-Dibromofuran-5-carboxylic acid

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货号

品牌

产品名称

规格

包装、参考价格

D891889

MACKLIN

4,5-二溴-2-糠酸

97%

29元/250mg; 34元/1g; 146元/5g;

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储存：室温，避光干燥密封
状态：固体

L15517

Alfa Aesar

4,5-Dibromo-2-furoic acid

97%

686元/1g; 1773元/5g; 7501元/25g;

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基本信息

MDL
MFCD00092311

EINECS
000-000-0

分子式
C₅H₂Br₂O₃

分子量
269.88

熔点
169-172°

Beilstein
129312

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

656291

Sigma-Aldrich

4,5-Dibromo-2-furoic acid

97%

2537.67元/25 G;

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产品说明

包装

5, 25 g in glass bottle

应用

用于研究呋喃环体系与悬垂烯丙酰胺之间的分子内 Diels-Alder 反应中卤取代呋喃基的影响。与氯代或无取代呋喃相比，C-5 溴取代可以提高环加成作用的产量。

基本信息

经验(实验)分子式	C₅H₂Br₂O₃
分子量	269.88
MDL编号	MFCD00092311
PubChem化学物质编号	24883713
NACRES	NA.22

产品性质

质量水平	100
测定	97%
mp	169-173 ℃
SMILES string	OC(=O)c1cc(Br)c(Br)o1
InChI	1S/C5H2Br2O3/c6-2-1-3(5(8)9)10-4(2)7/h1H,(H,8,9)
InChI key	BHUVICYZDBUMIU-UHFFFAOYSA-N

安全信息

象形图
警示用语：	Warning
危险声明	H302 - H315 - H319 - H335
预防措施声明	P261 - P264 - P270 - P301 + P312 - P302 + P352 - P305 + P351 + P338
危险分类	Acute Tox. 4 Oral - 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

092349

Fluorochem

4,5-Dibromo-2-furoic acid

95%

264元/1g; 1012元/5g; 1892元/10g; 4004元/25g;

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基本信息

CAS Number	2434-03-9
MDL Number	MFCD00092311
Melting Point	169-173℃

安全信息

图形或危害标志
危险性说明	H302: Harmful if swallowed. 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. P270: Do not eat, drink or smoke when using this product. P271: Use only outdoors or in a well-ventilated area. P280: Wear . P301 + P312: IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. P302 + P352: IF ON SKIN: Wash with plenty of soap and water. P304: IF INHALED: . 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 . on this label). P330: Rinse mouth. 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 local regulations.