Diethylphosphite 亚磷酸二乙酯

CAS 762-04-9 MFCD00044573

化学结构图

762-04-9
SMILES: CCO[PH](=O)OCC

化学属性

Mol. FormulaC4H11O3P
Mol. Weight138.12
Refractive index1.4101
Boiling Point50-51°/2mm
Density1.070
Flash Point74°(165°F)
TSCAYes
Melting Point-70°
SolubilityMISCIBLE (水解)
Appearance 1.4080,相对密度1.072,不溶于水,在热水中分解,溶于醇和醚等有机溶剂。 本品为无色油状液体,易燃,b.p.187~188℃,n D 20
Stability对湿度敏感

别名和识别编码

Chemical NameDiethylphosphite
CAS Number762-04-9
PubChem Substance ID6327654
EC Number212-091-6
Beilstein Registry Number0605759
MDL NumberMFCD00044573
Synonym hydrogendiethylphosphite NSC 2665 O,O"-DIETHYL PHOSPHITE Diethyl hydrogen phosphite Phosphonsäurediethylester diethylacidphosphite 二乙基亚磷酸酯 Diethyl hydrogen phosphonate Diethoxyphosphine oxide Diethylphosphit DIETHYL HYDROGEN PHOSPHITE DIETHYL PHOSPHITE, TECH., 94% Diethyl phosphonate PHOSPHONIC ACID DIETHYL ESTER PHOSPHOROUS ACID DIETHYL ESTER Phosphorous acid, diethyl ester Diethylphosphitemincolorlessliq 二乙基亚磷酸 Phosphonic acid, diethyl ester O,O-Diethyl phosphonate Hydrogen diethyl phosphite Diethyl acid phosphite Diethyl phosphate Phosphorigsäurediethylester diethylfosfit Diethyl phosphite 亚磷酸二乙酯 Diethylphosphite 亚磷酸二乙酯, 95+% Ethyl phosphite, (EtO)2(HO)P DIETHYL PHOSPHITE 亚磷酸二乙酯, 97+% AURORA KA-1208 O,O′-二乙基亚磷酸酯 OPH(OC2H5)2 Ethyl phosphonate ((EtO)2HPO) diethylphosphorous acid 亞磷酸二乙酯 Diethylphosphite,min.95% DIETHYL PHOSPHONATE diethyl hydrogenphosphite Diethylphosphonat Diethylhydrogenphosphit Diethylfosfit 膦酸二乙酯 phosphonic acid diethyl ester
Chemical Name Translation亚磷酸二乙酯
Wiswesser Line Notation2OPQO2
InChIInChI=1S/C4H10O3P/c1-3-6-8(5)7-4-2/h3-4H2,1-2H3/q+1
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分类

  • {Chemicalbook} 农药中间体: 杀菌剂中间体: 脂肪族类杀菌剂
  • Building Blocks, Chemical Synthesis, Organic Building Blocks, Organic Phosphates/Phosphites, Phosphorus Compounds
  • {uni_hamburg} no charge; 1fragment
  • {SNA} Building Blocks, Chemical Synthesis, Organic Building Blocks, Organic Phosphates/Phosphites, Phosphorus Compounds

产品应用

  • 用作萃取剂,磷酸酯类中间体。

相关文献及参考

  • Short: III/35C4
  • Beilstein: 1,IV,1329
  • Short: III/35A

安全信息

GHS Symbol
WGK Germany1
Hazard statements
  • H315 Causes skin irritation 会刺激皮肤
  • H319 Causes serious eye irritation 严重刺激眼睛
  • H335 May cause respiratory irritation 可能导致呼吸道刺激
Personal Protective Equipment Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Hazard Codes Xi
RTECSTG7875000
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。
  • P305+P351+P338
Signal word Warning
Safety Statements
  • S1 Keep locked up 上锁;
  • 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;
  • S27 Take off immediately all contaminated clothing 立即脱掉全部污染的衣服;
  • S28 After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer) 皮肤接触后,立即用大量…(由生产厂家指定)冲洗;
  • 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;
  • S37/39 Wear suitable gloves and eye/face protection 穿戴适当的手套和眼睛/面保护;
  • S24 Avoid contact with skin 避免皮肤接触;
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
  • R43 May cause sensitisation by skin contact 皮肤接触会产生过敏反应
  • R38 Irritating to skin 刺激皮肤
  • R41 Risk of serious damage to eyes 有严重损伤眼睛的危险
Storage condition Moisture Sensitive 充氩保存
Restrict 监控化学品
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 3900 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ALBRW* Albright & Wilson Inc.  (P.O. Box 26229, Richmond, VA 23260-6229)
   Volume(issue)/page/year: #OPB-3,1984

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 2020 uL/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   AIHAAP American Industrial Hygiene Association Journal.  (AIHA, 475 Wolf
   Ledges Pkwy., Akron, OH 44311)  V.19-    1958-  Volume(issue)/page/year:
   30,470,1969

其他信息

  • 上游原料:氮 --> 溶解釜 --> 水泵 --> 油泵
  • MSDS 信息:Diethyl hydrogen phosphonate(762-04-9).msds
  • MOL 文件:762-04-9.mol
  • 用途三:用作萃取剂、磷酸酯的中间体。用于制备磷酸二乙酯、O,O-二乙基-S-苄基硫代磷酸酯,后者即稻瘟净。这是投入大规模生产的有机磷杀菌剂的第一个品种,被用来代替汞剂防治水稻稻瘟病,对防治水稻小粒菌核病、纹枯病、枯穗病也有一定的效果。
  • Alfa Aesar:亚磷酸二乙酯,97+% Diethyl phosphite, 97+%(762-04-9)
  • Sigma Aldrich:762-04-9(sigmaaldrich)
  • 方法一:其实验室制法是将75mL四氯化碳和82.8g(1.8mol)无水乙醇加入到反应瓶中,在氮气保护及搅拌下滴加溶于50mL四氯化碳中的70.2g(0.51 mol)三氯化磷溶液,约1.5h加完,温度在整个过程中升高,加完后升温至70℃反应1h,溶液由无色变成淡黄色,然后用水泵减压蒸去溶剂,油泵减压蒸出产物。 3C 2 H 5 OH+PCl 3 →(C 2 H 5 O) 2 PHO+C 2 H 5 Cl+2HCl↑ 其工业制法是在搪瓷搅拌釜中,加入无水乙醇、苯,冷却搅拌,在10~20℃下滴加三氯化磷,1h内滴加完毕,在此温度下反应1h,反应物料移至搪瓷中和釜中,在10~20℃下通氨气中和至pH=6~7,滤去氯化铵,滤液先蒸出,再减压蒸馏蒸出O,O′-二乙基亚磷酸酯。
  • F:10-13-21
  • 用途一:是制备有机磷化合物的中间体,也用作萃取剂
  • Acros Organics:亚磷酸二乙酯(0404正申办出口许可) Diethylphosphite,98%(762-04-9)
  • 方法二:由乙醇与三氯化磷反应而得。
  • 用途二:O,O′-二乙基亚磷酸酯即亚磷酸二乙酯,是杀菌剂三乙膦酸铝、稻瘟净,杀虫剂硫环磷,除草剂草甘膦的中间体,合成中间体O,O二乙基磷酰氯,进而合成杀虫剂硫环磷;合成中间体O,O-二乙基硫(醇)代磷酸钠,进而合成杀菌剂稻瘟净等。本品还可用作萃取剂及磷酸酯类中间体。
  • 下游产品:(S)-7,7'-双[二(3,5-二甲基苯基羟亚磷基))-1,1'-螺二氢茚 --> (R)-7,7'-二联苯羟亚膦-1,1'-螺旋菌 --> 亚磷酸三乙酯 --> (S)-7,7'-双(二苯基磷酰)-1,1'-螺二氢茚 --> (S)-7,7'-双[二(对甲基苯基羟亚磷基))-1,1'-螺二氢茚 --> 1,2-二(4-吡啶基)乙烯 --> 异稻瘟净 --> 双二苯基磷酰联萘 --> 双二苯基磷酰联萘 --> 亚磷酸酯 --> 二苯基磷氧 --> 乙膦铝 --> 膦甲酸钠 --> 乙烯利 --> 氯磷酸二乙酯 --> 安果 --> 乙基磷酸 --> 抗氧剂 1222 --> 对硫磷(乙基对硫磷) --> 磷酸二乙酯 --> 荧光增白剂 OB-1 --> O,O-二乙基硫(醇)代磷酸钠
  • 用途四:用作萃取剂,磷酸酯类中间体。
  • TSCA:Yes
  • 敏感性:Moisture Sensitive
  • 亚磷酸二乙酯价格(试剂级):更新日期 产品编号 产品名称 包装 价格 2010/06/21 114502500 亚磷酸二乙酯 Diethyl phosphite 98% 250 GR 247元 2010/06/21 114500010 亚磷酸二乙酯 Diethyl phosphite 98% 1 KG 770元 2010/06/21 114500025 亚磷酸二乙酯 Diethyl phosphite 98% 2.5 KG 1783元
  • 和水混溶(水解),易溶于醇、醚等常规有机溶剂。

系列性分类


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