81860
丙炔酸
technical, ≥95% (T)
别名:
2-丙炔酸, 乙炔羧酸
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线性分子式:
HC≡CCOOH
化学文摘社编号:
分子量:
70.05
EC Number:
207-437-8
UNSPSC Code:
12352100
PubChem Substance ID:
Beilstein/REAXYS Number:
878176
MDL number:
InChI key
UORVCLMRJXCDCP-UHFFFAOYSA-N
InChI
1S/C3H2O2/c1-2-3(4)5/h1H,(H,4,5)
SMILES string
OC(=O)C#C
grade
technical
assay
≥95% (T)
bp
102 °C/200 mmHg (lit.)
mp
16-18 °C (lit.)
density
1.135 g/mL at 20 °C, 1.138 g/mL at 25 °C (lit.)
storage temp.
2-8°C
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 2 Dermal - Acute Tox. 3 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B
存储类别
3 - Flammable liquids
wgk
WGK 3
flash_point_f
136.4 °F - closed cup
flash_point_c
58 °C - closed cup
ppe
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
法规信息
新产品
此项目有
Jihye Park et al.
The Journal of organic chemistry, 76(7), 2214-2219 (2011-03-05)
One-pot synthesis of symmetric 1,4-disubstituted 1,3-diynes from iodoarenes and propiolic acid via Sonogashira reaction followed by Pd-catalyzed decarboxylative homocoupling is developed in high yields. Also, this system allows the one-pot synthesis of unsymmetric 1,4-disubstituted 1,3-diynes by cross-coupling of two different
Hyun-Suk Yeom et al.
Journal of the American Chemical Society, 134(1), 208-211 (2011-12-01)
A gold-catalyzed intermolecular reaction of propiolic acids with alkenes led to a [4 + 2] annulation or enyne cross metathesis. The [4 + 2] annulation proceeds with net cis-addition with respect to alkenes and provides an expedient route to α,β-unsaturated
Shili Xu et al.
Proceedings of the National Academy of Sciences of the United States of America, 109(40), 16348-16353 (2012-09-19)
Protein disulfide isomerase (PDI), an endoplasmic reticulum chaperone protein, catalyzes disulfide bond breakage, formation, and rearrangement. The effect of PDI inhibition on ovarian cancer progression is not yet clear, and there is a need for potent, selective, and safe small-molecule
Dingyi Yu et al.
Proceedings of the National Academy of Sciences of the United States of America, 107(47), 20184-20189 (2010-11-10)
The use of carbon dioxide as a renewable and environmentally friendly source of carbon in organic synthesis is a highly attractive approach, but its real world applications remain a great challenge. The major obstacles for commercialization of most current protocols
Sándor Kun et al.
Carbohydrate research, 346(12), 1427-1438 (2011-04-08)
5-(O-Perbenzoylated-β-D-glucopyranosyl)tetrazole was obtained from O-perbenzoylated-β-D-glucopyranosyl cyanide by Bu(3)SnN(3) or Me(3)SiN(3)-Bu(2)SnO. This tetrazole was transformed into 5-ethynyl- as well as 5-chloromethyl-2-(O-perbenzoylated-β-D-glucopyranosyl)-1,3,4-oxadiazoles by acylation with propiolic acid-DCC or chloroacetyl chloride, respectively. The chloromethyl oxadiazole gave the corresponding azidomethyl derivative on treatment with
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