Dibasic Calcium Phosphate Dihydrate 磷酸氢钙二水合物

CAS 7789-77-7 MFCD00149621

化学结构图

7789-77-7
SMILES: O.O=P(O)(O)O.[CaH2]

化学属性

Mol. FormulaCaH5O6P
Mol. Weight172.09
Density2.31
Melting Point109 °C
SolubilitySlightly soluble in water. Soluble in dilute hydrochloric, nitric, and acetic acid. Insoluble in alcohol
TSCAYes
Stability对湿度敏感
Appearance 白色单斜晶系结晶性粉末。无臭、无味。 溶于稀盐酸、稀硝酸、醋酸，微溶于水，不溶于乙醇。

别名和识别编码

Chemical NameCalcium hydrogenphosphate dihydrate
Synonym Calcium hydrogen phosphate (dihydrate) {LY} Calcium hydrogen phosphate (dihydrate) brushite calcium monohydrogen phosphate dihydrate calcium phosphate, dibasic calcium phosphate, dibasic, dihydrate calcium phosphate, dihydrate (1:1) dibasic calcium phosphate dihydrate dicalcium phosphate dicalcium phosphate anhydrous dicalcium phosphate dihydrate {} {LY} Calcium hydrogen phosphate (dihydrate) {} {} {LY} Calcium hydrogen phosphate (dihydrate) {} {} {} {LY} Calcium hydrogen phosphate (dihydrate) {} {} {} {} {LY} Calcium hydrogen phosphate (dihydrate) {} {} {} {} {} {} {} {} {} {} {LY} Calcium hydrogen phosphate (dihydrate) {} {} {} {} {} {} {LY} Calcium hydrogen phosphate (dihydrate) {} {} {} {} {} {} {} {LY} Calcium hydrogen phosphate (dihydrate) {} {} {} {} {} {} {} {} {LY} Calcium hydrogen phosphate (dihydrate) {} {} {} {} {} {} {} {} {} {LY} Calcium hydrogen phosphate
CAS Number7789-77-7
EC Number231-826-1
Beilstein Registry Number2384789
MDL NumberMFCD00149621
PubChem Substance ID104805
Merck Number14,1692
Chemical Name Translation磷酸氢钙二水合物
LabNetwork Molecule IDLN00227273
InChIInChI=1S/Ca.H3O4P.2H2O/c;1-5(2,3)4;;/h;(H3,1,2,3,4);2*1H2/q+2;;;/p-2
Canonical SMILES[Ca].O=P(O)(O)O.O
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分类

  • {SNA} Calcium, Chemical Synthesis, Inorganic Salts, Synthetic Reagents
  • {Chemicalbook} 无机化工产品: 无机盐: Cm磷化合物及磷酸盐
  • {uni_hamburg} no charge; 4fragments; ionic

产品应用

  • 分析试剂，制造玻璃，动物饲料，谷类和其他食物中补充矿物质，塑料稳定剂。

相关文献及参考

  • Short: III/35E Title: Nuclear Magnetic Resonance (NMR) Data: Chemical Shifts for Oxygen-17 Author: Duddeck, H.; Toth, G.; Simon, A. Editor: Gupta, R.R.; Lechner, M.D. Source: Landolt-Börnstein, New Series Volume: III/35E Year: 2002 Keyword: Alipathic and Aromatic hydrocarbons; Coupling constant j; Nuclear Magnetic Resonance; chemical shifts δ ISBN: 3-540-42501-2 ISBN: 978-3-540-42501-4 Internet Resource: DOI:10.1007/b92953 RefComment: VII, 230 pages. With CD-ROM., Hardcover Abstract: This volume provides a comprehensive and evaluated compilation of nuclear magnetic resonance data. Chemical shifts and coupling constants of boron-11 and phosphorus-31 (subvol. A), fluorine-19 and nitrogen-15 (subvol. B), hydrogen-1 (subvol. C), carbon-13 (subvol. D), and oxygen-17 (subvol. E) compounds are tabulated together with the gross- and structure formulas and the most readily available solvents. Due to the large amount of the data merely chemical shifts are presented in the printed versions, and all the data, chemical shifts and coupling constants are provided on CD-ROM's.
  • Short: EINECS2 Title: Corrigendum to the Commission communication pursuant to Article 13 of Council Directive 67/548/EEC of 27 June 1967 on the approximation of the laws, regulations and administrative provisions relating to the classification, packaging and labelling of dangerous substances, as amended by Directive 79/831/EEC - Einecs (European inventory of existing commercial chemical substances) Source: Official Journal of the European Communities Volume: C 54 (01.03.2002) Page: 13-27 Year: 2002 Internet Resource: http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:C:2002:054:SOM:EN:HTML Internet Resource: http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:C:2002:054:0013:0027:EN:PDF Internet Resource: http://ecb.jrc.ec.europa.eu/esis/index.php?PGM=ein Publish_Date: 2002/03/01

安全信息

Signal word
GHS Symbol
WGK Germany1
Safety Statements
  • S36 Wear suitable protective clothing 穿戴适当的防护服；
  • 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；
  • 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；
  • S37 Wear suitable gloves 戴适当手套；
  • 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；
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
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。
  • P264+P265
  • 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。
  • 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。
  • P302+P352
  • P304+P340
  • P305+P351+P338
  • 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。
  • P319
  • P321 Specific treatment (see … on this label). 具体治疗（见本标签上的）。
  • P332+P313
  • P332+P317
  • P337+P313
  • P337+P317
  • 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
  • P362+P364
  • 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
  • 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 dust mask type N95 (US), Eyeshields, Gloves
Hazard Codes Xi
Storage condition 2-8°C {LY} 2-8°C Store at room temperature {} {LY} 2-8°C {} {} {LY} 2-8°C {} {} {} {LY} 2-8°C {} {} {} {} {LY} 2-8°C {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°

其他信息

  • 方法三:不过滤不脱氟一段中和法 将40～80目的磷矿粉和15%～20%盐酸经计量后加入带搅拌萃取器中，磷矿粉与盐酸反应生成磷酸和氯化钙，反应后的料液经萃取后溢流人中和器中，加入一定量的石灰乳溶液(氧化钙80 g/L)或用200目石灰石粉悬浮液在50℃以下进行中和至Ph=4～5，使PO4 3- 完全沉淀。得到的沉淀经增稠沉降后离心分离，并再经水洗涤，制得肥料用磷酸氢钙成品。其 Ca5F(PO4)3+10HCl→3H3P04+5cacl2+HF↑ 2H3PO4+Ca(OH)2→Ca(H2PO4)2+2H2O Ca(H2PO4)2+Ca(OH)2→2CaHPO4?2H2O 磷酸一钙法将过磷酸钙加水搅拌于(35±5)℃下浸取10～15 min，然后离心分离，弃去磷石膏，得到磷酸一钙溶液，加入氯化钠(按每升溶液加氯化钠约40g)进行脱氟，控制脱氟温度在(45±5)℃，搅拌30 min，然后沉降约1h。将脱氟后的磷酸一钙溶液，加入含氧化钙80 g/L的石灰乳溶液进行搅拌中和，控制Ph值在2～2.5左右，中和温度不高于40℃，生成磷酸氢钙沉淀，经离心分离，制得肥料用磷酸氢钙成品。
  • 方法五:直接混合反应法 将含H3PO470%～80%的热法磷酸加热至40～50℃，与100目含95%CaCO3的方解石粉一同加入混合器中混合，发生剧烈反应生成磷酸氢钙和磷酸二氢钙混合物。物料经切碎、熟化后，物料中剩余的碳酸钙和磷酸二氢钙尽可能转化为磷酸氢钙。然后再送到回转窑烘干至含游离水3%以下，再经粉碎制得饲料用磷酸氢钙。其 2H3PO4+2CaCO3→2CaHPO4?2H2O+2CO2↑ 二段中和法以萃取磷酸为原料需进行净化。净化磷酸多用石灰石粉分步沉淀。即在第一段将石灰石悬浮液的70%～75%加人中和器与萃取磷酸进行中和反应，使其中的40%～65%P2O5沉淀出来，经过滤后，把滤液送到第二段中和器，再加入剩余的石灰石悬浮液进行中和反应，沉淀出饲料用磷酸氢钙，经过滤，滤饼送去干燥，制得饲料用磷酸氢钙。其 2H3PO4+2CaCO3→2CaHPO4?2H2O+2CO2↑
  • 食品添加剂最大允许使用量
  • 参考质量标准二:化工行业标准HG 3257—1990 指标名称 指标 优等品 一等品 外观 白色结晶粉末 白度/度≥ 95 90 细度(通过45 μm试验筛)/%≥ 97.0 95.0 吸水/(mlH2O/20g样) 5.0—6.5 4.5—6.5 砷(As)/%≤ 0.0008 0.001 氟(F)/%≤ 0.005 0.015 氯化物(以Cl - 计)/%≤ 0.03 0.03 灼烧失重/% 24.5—26.5 24.5—26.5 重金属(以Pb计)/%≤ 0.003 0.003 pH值(20%悬浮液) 7.8—8.3 7.8—8.3 稳定性 通过试验 碳酸盐 通过试验 硫化物 通过试验
  • 方法三:不过滤不脱氟一段中和法 将40～80目的磷矿粉和15%～20%盐酸经计量后加入带搅拌萃取器中，磷矿粉与盐酸反应生成磷酸和氯化钙，反应后的料液经萃取后溢流人中和器中，加入一定量的石灰乳溶液(氧化钙80 g/L)或用200目石灰石粉悬浮液在50℃以下进行中和至Ph=4～5，使PO4 3- 完全沉淀。得到的沉淀经增稠沉降后离心分离，并再经水洗涤，制得
  • Alfa Aesar:磷酸氢二钙二水合物,98%min Calcium hydrogen phosphate dihydrate, 98
  • 食品添加剂最大允许使用量最大允许残留量标准:添加剂中文名称 允许使用
  • Alfa Aesar:磷酸氢二钙二水合物,98%min Calcium hydrogen phosphate dihydrate, 98% min(7789-77-7)
  • 无臭、无味。溶于稀盐酸、稀硝酸、醋酸，微溶于水，不溶于乙醇。在75℃时失去2个结晶水，加热至400℃以上时形成焦磷酸钙。吸湿性较小。
  • 参
  • 上游原料:盐酸 --> 硫酸 --> 碳酸钠 --> 磷酸 --> 碳酸钙 --> 氧化钙 --> 二氧化硅 --> 碳酸钙 --> 次氯酸钙 --> 过磷酸钙 --> 磷酸岩 --> 二氧化硅 --> 湿法磷酸 --> 磷矿粉 --> 磷酸二氢钙 --> 氯化钙溶液 --> 指示剂 --> 甲基红 --> 酸性蓝 93 --> 上(状)石膏 --> FLUORIDE --> 活性炭 --> 方解石粉

系列性分类

  1. Chemical Synthesis 化学合成
  2. Catalysis and Inorganic Chemistry 催化剂和无机化学
  3. Calcium - Catalysis and Inorganic Chemistry
  1. Chemical Synthesis 化学合成
  2. Synthetic Reagents 合成试剂
  3. Inorganic Acids - Synthetic Reagents
  1. Chemical Synthesis 化学合成
  2. Synthetic Reagents 合成试剂
  3. Inorganic Salts - Synthetic Reagents
  4. Calcium - Inorganic Salts

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