Phosphorous acid 磷酸

CAS 7664-38-2 MFCD00011340

化学结构图

7664-38-2
SMILES: O=P(O)(O)O

化学属性

Mol. FormulaH3PO4
Mol. Weight98
Density1.68
Boiling Point158
Melting Point42
Refractive indexn20/D 1.433
TSCAYes
Vapor Density3.4 (vs air)
Vapor Pressure2.2 mmHg ( 20 °C)
SolubilityMISCIBLE
Stability对湿度敏感

别名和识别编码

Chemical NamePhosphorous acid
Synonym Acide phosphorique Acido fosforico Concise etchant Condact Fosforzuuroplossingen Hydrogen phosphate K-etchant Orthophosphoric acid Phosphoric acid Phosphoric acid (ortho) Phosphorsaeureloesungen Uni-Etch orthophosphoric acid phosphoric acid 正磷酸 正磷酸 磷酸 正磷酸,一缩原磷酸,缩原磷酸,乙烯利水剂 正磷酸;一缩原磷酸;缩原磷酸;乙烯利水剂 磷酸 磷酸 溶液 磷酸根标准浓缩液 10.00g PO43- 磷酸酯标准浓缩液 1.00g PO43-
CAS Number7664-38-2
EC Number231-633-2
Beilstein Registry Number1921286
MDL NumberMFCD00011340
PubChem Substance ID1004
Merck Number7344
Chemical Name Translation磷酸
Reaxys-RN1921286
InChIKeyNBIIXXVUZAFLBC-UHFFFAOYSA-N
Wiswesser Line NotationH3 P-O4
LabNetwork Molecule IDLN00196069
InChIInChI=1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)
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分类

  • {SNA} Acids, Acids & Bases, Bioactive Small Molecules, Cell Biology, Cell Culture, Chemical Synthesis, Companion Products and Reagents, Core Bioreagents, Inorganic Acids, Insect Platform, Life Science Reagents for Cloning, P, Research Essentia

产品应用

  • 测定钢铁中铬、镍、钒成分、金属防锈、橡胶凝固剂,测定血清中非蛋白氮、总胆醇和全血葡萄糖等。结晶磷酸主要用于微电子、高能电池、激光玻璃等制造工艺,用作高纯催化剂、医学材料。

相关文献及参考

  • Merck: 14,7344

安全信息

GHS Symbol
WGK Germany1
Hazard Codes 8 C
Hazard statements
  • H290 May be corrosive to metals 可能腐蚀金属。
  • H302 Harmful if swallowed 吞食有害
  • H314 Causes severe skin burns and eye damage 导致严重的皮肤灼伤和眼睛损伤
  • H318 Causes serious eye damage 严重伤害眼睛
Personal Protective Equipment Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges Faceshields, Gloves, Goggles Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
RTECSTB6300000
Precautionary statements
  • P234 Keep only in original container. 只保留在原来的容器中。
  • P260 Do not breathe dust/fume/gas/mist/vapours/spray. 不要吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
  • 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。
  • P273 Avoid release to the environment. 避免释放到环境中。
  • 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。
  • P301+P312
  • P301+P330+P331
  • P303+P361+P353
  • P304+P312
  • P304+P340
  • P304+P340+P310
  • P305+P351+P338
  • P307+P311
  • P310 Immediately call a POISON CENTER or doctor/physician. 立即呼救解毒中心或医生/医师。
  • P311 Call a POISON CENTER or doctor/physician. 呼叫解毒中心或医生/医师。
  • 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)。
  • P330 Rinse mouth. 漱口
  • P363 Wash contaminated clothing before reuse. 被污染的衣服洗净后方可重新使用。
  • P390 Absorb spillage to prevent material damage. 吸收溢出物,防止重大损害。
  • P403+P233
  • P404 Store in a closed container. 贮存于密闭容器中。
  • P405 Store locked up. 上锁保管。
  • P501 Dispose of contents/container to..… 处理内容物/容器.....
Signal word Danger
UN Number 1805
Risk Statements
  • R34 Causes burns 会导致灼伤
Safety Statements
  • S20 When using do not eat or drink 使用时,不得进食,饮水;
  • 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;
  • 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;
  • 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);
  • S60 This material and its container must be disposed of as hazardous waste 该物质及其容器必须作为危险废物处置;
Packing GroupIII
Storage condition 密封保存。
Hazard Class8
Warnings 危化品目录(2015)
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Unreported
SPECIES OBSERVED        : Human - man
DOSE/DURATION           : 220 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   85DCAI "Poisoning; Toxicology, Symptoms, Treatments," 2nd ed., Arena, J.M.,
   Springfield, IL, C.C. Thomas, 1970  Volume(issue)/page/year: 2,73,1970

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 2740 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - excitement
REFERENCE :
   BIOFX* BIOFAX Industrial Bio-Test Laboratories, Inc., Data Sheets.  (1810
   Frontage Rd., Northbrook, IL 60062)  Volume(issue)/page/year: 17-4/1970

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1530 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Kidney, Ureter, Bladder - hematuria
   Skin and Appendages - hair
REFERENCE :
   BIOFX* BIOFAX Industrial Bio-Test Laboratories, Inc., Data Sheets.  (1810
   Frontage Rd., Northbrook, IL 60062)  Volume(issue)/page/year: 17-4/1970

TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >850 mg/m3/1H
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   BIOFX* BIOFAX Industrial Bio-Test Laboratories, Inc., Data Sheets.  (1810
   Frontage Rd., Northbrook, IL 60062)  Volume(issue)/page/year: 17-4/1970

其他信息

  • 溶于水及醇。纯品磷酸为无色斜方晶体,富潮解性。溶于水和乙醇。其酸性较硫酸、盐酸和硝酸等强酸为弱,但较醋酸、硼酸等弱酸为强。能刺激皮肤引起发炎及破坏肌体组织。磷酸溶于水并放热,经高温加热便失水成焦磷酸和偏磷酸,长时间受冷即生成结晶,有腐蚀性,易吸湿。

系列性分类


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