CAS 497-23-4; 2(5H)-呋喃酮; 2-Butenoic acid,4-hydroxy-,.gamma.-lactone

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产品名称

规格

包装、参考价格

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H809602

MACKLIN

2(5|H|)-呋喃酮

98%

30元/1g; 65元/5g; 266元/25g; 885元/100g;

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储存：2~8°C,干燥
状态：澄清无色到黄色液体
折射率：n20/D 1.469(lit.)

C1078

TCI

γ-Crotonolactone

>93.0%(GC)

940元/5ML; 3110元/25ML;

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基本信息

纯度/分析方法	>93.0%(GC)
分子式/分子量	C₄H₄O₂ = 84.07
外观与形状(20℃)	液体
储存温度	0-10℃
储存在惰性气体下	存放于惰性气体之中
应避免的情况	光,空气,加热
Reaxys-RN	383585
PubChem物质ID	87566111
MDL编号	MFCD00005376

技术规格

Appearance	Colorless to Light orange to Yellow clear liquid
Purity(GC)	min. 93.0 %

物性(参考值)

熔点	5 ℃
沸点	214 ℃
闪点	101 ℃
比重	1.20
折射率	1.47

安全信息

图形或危害标志
信号词	警告
危险性说明	H315 : 造成皮肤刺激。 H319 : 造成严重眼刺激。
防范说明	P264 : 作业后彻底清洗皮肤。 P280 : 戴防护手套/戴防护眼罩/戴防护面具。 P302 + P352 : 如皮肤沾染：用水充分清洗。 P337 + P313 : 如仍觉眼刺激：求医/就诊。 P305 + P351 + P338 : 如进入眼睛：用水小心冲洗几分钟。如戴隐形眼镜并可方便地取出，取出隐形眼镜。继续冲洗。 P362+P364 : 脱掉沾污的衣服，清洗后方可重新使用。 P332 + P313 : 如发生皮肤刺激：求医/就诊。

相关法规

RTECS#

LU3453000

230264

J&K

2-(5H)-Furanone

96%

173元/1G; 542元/5G; 2290元/25G;

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基本信息

分子式	C₄H₄O₂
分子量	84.07
熔点	4-5
沸点	86-87
闪点	101
密度	1.185
折光率(n20D)	1.4690
MDL编码	MFCD00005376
Beilstein	383585
EINECS 编号	207-839-3
存储条件	Store at 2-8℃

安全信息

图形或危害标志
提示语	Warning
危险说明	H315 H319 H335
防范说明	P261 P305+P351+P338
WGK	3
RTECS	LU3453000
TSCA	否

L13142

Alfa Aesar

2(5H)-Furanone

96%

825元/1g; 2137元/5g; 7575元/25g;

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应用
2(5H)-Furanone is employed in the preparation of 5-substituted 2(5H) furanones (gamma-butenolides) catalyzed by bifunctional aminothiourea and aminosquaramide organocatalysts through direct aldol reaction with aromatic aldehydes. Further, it is used in the synthesis of lignans by Michael addition reactions. In addition to this, it is used in three-component Michael-Aldol reactions with an aldehyde and thiolate or carbanion.

备注
Light and moisture sensitive. Store in a cool place. Keep the container tightly closed in a dry and well-ventilated place. Incompatible with strong oxidizing agents.

基本信息

MDL
MFCD00005376

EINECS
207-839-3

分子式
C₄H₄O₂

分子量
84.07

熔点
3-4°

沸点
212-214°

闪点
101°(213°F)

密度
1.197

折射率
1.4690

灵敏度
Keep Cold. Light Sensitive. Store under Nitrogen.

溶解性
Immiscible with water.

Beilstein
383585

GHS危害和防范说明

GHS符号

Hazard Statements
H315-H319
Causes skin irritation.Causes serious eye irritation.

Precautionary Statements
P280a-P264-P305+P351+P338-P321-P332+P313-P337+P313
Wear protective gloves and eye/face protection.Wash thoroughly after handling.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.Specific treatment (see label).If skin irritation occurs: Get medical advice/attention.If eye irritation persists: Get medical advice/attention.

安全信息

危险类别
36/38
Irritating to eyes and skin.

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

RTECS
LU3453000

TSCA
否

C37653

Alfa Aesar

2(5H)-Furanone

95%

1343元/1g; 4143元/5g;

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基本信息

Ref#
37653

283754

Sigma-Aldrich

2(5H)-Furanone

98%

1355.4元/1 G; 4497.52元/5 G;

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产品说明

一般描述

手性尿素化合物催化 2 (5 H )-呋喃酮(γ-巴豆内酯)到吡咯烷。利用生物指示剂菌株研究了 2 (5 H )-呋喃酮的群体感应抑制活性。

应用

2 (5 H )-呋喃酮(γ-巴豆内酯)已用于：

(+)-L-733,060、(+)-CP-99,994 和 (2 S 、3 R )-3-羟基吡哌酸的合成
5-取代-2-(5 H ) 呋喃酮(γ-丁烯羟酸内酯)通过双功能氨基硫脲和氨基四胺有机催化剂催化的芳香醛直接羟醛化反应
合成木脂素的 Michael 加成反应
三组分 Michael-Aldol 反应与醛和硫醇盐或碳负离子

包装

1, 5 g in glass bottle
无底玻璃瓶。内含物在插入的融合锥体内。

基本信息

经验(实验)分子式	C₄H₄O₂
分子量	84.07
Beilstein	383585
EC 号	207-839-3
MDL编号	MFCD00005376
PubChem化学物质编号	24857130
NACRES	NA.22

产品性质

质量水平	200
测定	98%
形式	liquid
折射率	n20/D 1.469 (lit.)
bp	86-87 ℃/12 mmHg (lit.)
mp	4-5 ℃ (lit.)
密度	1.185 g/mL at 25 ℃ (lit.)
储存温度	2-8℃
SMILES string	O=C1OCC=C1
InChI	1S/C4H4O2/c5-4-2-1-3-6-4/h1-2H,3H2
InChI key	VIHAEDVKXSOUAT-UHFFFAOYSA-N

安全信息

储存分类代码	10 - Combustible liquids
WGK	WGK 3
闪点(F)	213.8 °F - closed cup
闪点(C)	101 ℃ - closed cup
个人防护装备	Eyeshields, Gloves, type ABEK (EN14387) respirator filter

095003

Fluorochem

2(5H)-Furanone

96%

264元/1g; 792元/5g; 1100元/10g; 1540元/25g;

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基本信息

CAS Number	497-23-4
MDL Number	MFCD00005376
Boiling Point	86-87℃
Melting Point	4-5℃
Density	1.185

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 .