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CAS RN: 100-02-7 | 產品號碼: N0220

4-Nitrophenol


纯度/分析方法: >99.0%(GC)(T)
別名
文件:
25G
NT$760
34   ≥100  下單後約2週內可以出貨
100G
NT$2,280
10   ≥40  下單後約4週內可以出貨
500G
NT$6,200
0   1   下單後約2-3個工作日內可以出貨

* 以上價格已含運費關稅等但一些需要海運以及乾冰運輸的產品除外,詳情請與 當地經銷商 洽詢。
* TCI會時常優化儲存條件,儲存溫度請以在線目錄為準,敬請留意。


產品號碼 N0220
純度/分析方法 >99.0%(GC)(T)
分子式 / 分子量 C__6H__5NO__3 = 139.11 
外觀與形狀(20°C) Solid
儲存條件 Room Temperature (Recommended in a cool and dark place, <15°C)
CAS RN 100-02-7
Reaxys-RN 1281877
PubChem Substance ID 87573588
SDBS (AIST Spectral DB) 2681
Merck Index(14) 6620
MDL編號

MFCD00007331

產品規格
Appearance White to Light yellow to Green powder to crystal
Purity(GC) min. 99.0 %
Purity(Neutralization titration) min. 99.0 %
Melting point 112.0 to 116.0 °C
Solubility in EtOH almost transparency
Transition interval(pH) (very pale yellow)4.8 to 7.6(yellow)
NMR confirm to structure
性質
熔點 114 °C
沸點 279 °C
水溶性 Slightly soluble
Degree of solubility in water 12.4 g/l   20 °C
溶解性(可溶於) Alcohol, Ether
GHS
圖形表示 Pictogram Pictogram
信號詞 Danger
危險性說明 H301 : Toxic if swallowed.
H312 + H332 : Harmful in contact with skin or if inhaled.
H315 : Causes skin irritation.
H319 : Causes serious eye irritation.
H370 : Causes damage to organs.
H372 : Causes damage to organs through prolonged or repeated exposure.
H373 : May cause damage to organs through prolonged or repeated exposure.
H317 : May cause an allergic skin reaction.
H401 : Toxic to aquatic life.
防範說明 P501 : Dispose of contents/ container to an approved waste disposal plant.
P273 : Avoid release to the environment.
P272 : Contaminated work clothing should not be allowed out of the workplace.
P260 : Do not breathe dust/ fume/ gas/ mist/ vapors/ spray.
P270 : Do not eat, drink or smoke when using this product.
P271 : Use only outdoors or in a well-ventilated area.
P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection.
P337 + P313 : If eye irritation persists: Get medical advice/ attention.
P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P308 + P311 : IF exposed or concerned: Call a POISON CENTER/doctor.
P362 + P364 : Take off contaminated clothing and wash it before reuse.
P333 + P313 : If skin irritation or rash occurs: Get medical advice/ attention.
P301 + P310 + P330 : IF SWALLOWED: Immediately call a POISON CENTER/doctor. Rinse mouth.
P302 + P352 + P312 : IF ON SKIN: Wash with plenty of water.Call a POISON CENTER/doctor if you feel unwell.
P304 + P340 + P312 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/doctor if you feel unwell.
P405 : Store locked up.
相關法規
RTECS # SM2275000
運輸資料
UN編號 UN1663
類別 6.1
包裝類別 III
HS編碼* 2908.99-000
*此H.S.編碼用於日本出口報關, 不適用於您所在國家或地區的進口申報
Application
Condensing Agent

Experimental procedure: Boc-Gly-OH (1.98 kg, 11.3 mol) and 4-nitrophenol (1.73 kg, 12.43 mol, 1.1 eq.) are dissolved in dry dioxane (25 L), a solution of DCC (2.8 kg, 13.56 mol, 1.2 eq.) in dry dioxane (10 L) is added and the mixture is stirred for 8-10 h. After cooling for 2 h, the precipitate is removed and the filtrate is used directly for next reaction without purification. The mixture of glycine (0.94 kg, 12.43 mol, 1.1 eq.) and NaHCO3 (1.05 kg, 12.43 mol, 1.1 eq.) in H2O (10 L) is slowly added to the solution of Boc-Gly-ONp in dioxane (25 L). The solution is stirred at about 25 °C for 7 h and then evaporated under reduced pressure. The residue is acidified to a pH 2-3 with 10% citric acid and extracted with EtOAc (3 × 20 L). The organic phase is successively washed with brine (20 L), dried, and evaporated to give Boc-Gly-Gly-OH (2.37 kg, 90%) as a white crystal.

References


考研文獻


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