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3,4-Diethoxycyclobut-3-ene-1,2-dione 3,4-二乙氧基-3-环丁烯-1,2-二酮

规格: 98%

CAS: 5231-87-8

产品编号: H18012

MDL: MFCD00001333

品牌: INFI

Chemical Name	3,4-Diethoxy-3-cyclobutene-1,2-dione
CAS Number	5231-87-8
Alfabeta Name	DIETHOXYCYCLOBUTENEDIONE 34312-----,,
MDL Number	MFCD00001333
EC Number	250-023-7
Beilstein Registry Number	640626
Synonym	3,4-Diethoxycyclobut-3-ene-1,2-dione {LY} 3,4-Diethoxycyclobut-3-ene-1,2-dione {} {LY} 3,4-Diethoxycyclobut-3-ene-1,2-dione {} {} {LY} 3,4-Diethoxycyclobut-3-ene-1,2-dione {} {} {} {LY} 3,4-Diethoxycyclobut-3-ene-1,2-dione {} {} {} {} {LY} 3,4-Diethoxycyclobut-3-ene-1,2-dione {} {} {} {} {} {LY} 3,4-Diethoxycyclobut-3-ene-1,2-dione {} {} {} {} {} {} {LY} 3,4-Diethoxycyclobut-3-ene-1,2-dione {} {} {} {} {} {} {} {LY} 3,4-Diethoxycyclobut-3-ene-1,2-dione {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 3,4-Diethoxycyclobut-3-ene-1,2-dione {} {} {} {} {} {} {} {} {} {LY} 3,4-Diethoxycyclobut-3-ene-1,2-dione {} {} {} {} {} {} {} {} {} {} {LY} 3,4-Diethoxycyclobut-3-ene-1,2-dione {} {} {} {} {} {} {} {} {} {} {} {LY} 3,4-Diethoxycyclobut-3-ene-1,2-dione {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {LY} 3,4-Diethoxycyclobut-3-ene-1,2-dione {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 3,4-Diethoxycyclobut-3-ene-1,2-dione {} {} {} {} {} {
PubChem Substance ID	123228
Chemical Name Translation	3,4-二乙氧基-3-环丁烯-1,2-二酮
Reaxys-RN	640626
InChIKey	DFSFLZCLKYZYRD-UHFFFAOYSA-N
LabNetwork Molecule ID	LN00174948
InChI	InChI=1S/C8H10O4/c1-3-11-7-5(9)6(10)8(7)12-4-2/h3-4H2,1-2H3
Canonical SMILES	C(OC1=C(C(=O)C1=O)OCC)C

GHS Symbol

Warnings	IRRITANT
Signal word	Danger Warning
WGK Germany	3
Safety Statements
S23 Do not breathe gas/fumes/vapour/spray (appropriate wording to be specified by the manufacturer) 不要吸入气体/烟雾/蒸汽/喷雾； S24 Avoid contact with skin 避免皮肤接触； S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 眼睛接触后，立即用大量水冲洗并征求医生意见； S36/37/39 Wear suitable protective clothing, gloves and eye/face protection 穿戴适当的防护服、手套和眼睛/面保护； S37 Wear suitable gloves 戴适当手套； S37/39 Wear suitable gloves and eye/face protection 穿戴适当的手套和眼睛/面保护； S45 In case of accident or if you feel unwell seek medical advice immediately (show the label where possible) 发生事故时或感觉不适时，立即求医（可能时出示标签）； S7 Keep container tightly closed 保存在严格密闭容器中；
Risk Statements
R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性 R42/43
Precautionary statements
P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 避免吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。 P264 Wash hands thoroughly after handling. 处理后要彻底洗净双手。 P270 Do not eat, drink or smoke when using this product. 使用本产品时不要吃东西，喝水或吸烟。 P271 Use only outdoors or in a well-ventilated area.? 只能在室外或通风良好的地方使用。 P272 Contaminated work clothing should not be allowed out of the workplace. 污染的工作服不得带出工作场所。 P280 Wear protective gloves/protective clothing/eye protection/face protection. 戴防护手套/防护服/眼睛的保护物/面部保护物。 P284 Wear respiratory protection.? 佩戴呼吸保护装置。 P285 In case of inadequate ventilation wear respiratory protection. 在通风不足的情况下，戴呼吸防护。 P301+P310 P302+P350 P302+P352 P304+P340 P304+P341 P305+P351+P338 P305+P351+P338+P337+P313 P312 Call a POISON CENTER or doctor/physician if you feel unwell. 如果你感觉不适，呼叫解毒中心或医生/医师。 P321 Specific treatment (see … on this label). 具体治疗（见本标签上的）。 P322 Specific measures (see …on this label). 具体治疗（见本标签上的）。 P330 Rinse mouth. 漱口 P332+P313 P333+P313 P337+P313 P342+P311 P362 Take off contaminated clothing and wash before reuse. 脱掉污染的衣服，清洗后方可重新使用 P363 Wash contaminated clothing before reuse. 被污染的衣服洗净后方可重新使用。 P403+P233 P405 Store locked up. 上锁保管。 P501 Dispose of contents/container to..… 处理内容物/容器.....
Hazard statements
H301 Toxic if swallowed 吞食有毒 H312 Harmful in contact with skin 皮肤接触有害 H315 Causes skin irritation 会刺激皮肤 H317 May cause an allergic skin reaction 可能导致皮肤过敏 H319 Causes serious eye irritation 严重刺激眼睛 H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled 吸入可能导致过敏或哮喘症状或呼吸困难 H335 May cause respiratory irritation 可能导致呼吸道刺激
Personal Protective Equipment	Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
RTECS	GU1772466
Hazard Codes	Xn Xn,Xi
Storage condition	2-8°C, protect from light, stored under nitrogen {LY} 2-8°C, protect from light, stored under nitrogen {} {LY} 2-8°C, protect from light, stored under nitrogen {} {} {LY} 2-8°C, protect from light, stored under nitrogen {} {} {} {LY} 2-8°C, protect from light, stored under nitrogen {} {} {} {} {LY} 2-8°C, protect from light, stored under nitrogen {} {} {} {} {} {LY} 2-8°C, protect from light, stored under nitrogen {} {} {} {} {} {} {LY} 2-8°C, protect from light, stored under nitrogen {} {} {} {} {} {} {} {LY} 2-8°C, protect from light, stored under nitrogen {} {} {} {} {} {} {} {} {LY} 2-8°C, protect from light, stored under nitrogen {} {} {} {} {} {} {} {} {} {LY} 2-8°C, protect from light, stored under nitrogen {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C, protect from light, stored under nitrogen {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C, protect from light, stored under nitrogen {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C, protect from light, stored under nitr

{ALF} For reaction with 1-lithiofuran and thermal rearrangement of the resulting 1-hydroxy-1-furanyl derivative to give, after oxidation, a furanoquinone, see: Org. Synth. Coll., 8, 179 (1993); other examples of annulated quinones are also listed.

5231-87-8 H18012 3,4-Diethoxycyclobut-3-ene-1,2-dione
3,4-二乙氧基-3-环丁烯-1,2-二酮

化学属性

Mol. Formula	C8H10O4
Mol. Weight	170.16
Density	1.15
Refractive index	n20/D 1.509(lit.)
Boiling Point	95 °C at 0.1 mmHg
Flash Point	110°C
TSCA	No
Solubility	不溶
pH	:A
Melting Point	13-18 °C

*以上化合物性质及应用等信息仅供参考

手性催化剂及配体

合成砌块

医药中间体

3,4-Diethoxycyclobut-3-ene-1,2-dione 3,4-二乙氧基-3-环丁烯-1,2-二酮

规格: 98%

化学属性

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