Calcium Acetate 乙酸钙,无水

CAS 62-54-4 MFCD00012448

化学结构图

62-54-4
SMILES: CC(=O)[O-].CC(=O)[O-].[Ca+2]

化学属性

Mol. FormulaC4H6CaO4
Mol. Weight158.17
Melting Point160
Density1.5
TSCAYes
Solubility可溶
Flash Point160°C
Appearance 本试剂为白色针状结晶,溶于水和无机酸,微溶于乙醇 powder

别名和识别编码

Chemical NameCalcium Acetate
MDL NumberMFCD00150019
EC Number200-540-9
CAS Number62-54-4
Merck Number14,1646
Beilstein Registry Number3692527
Synonym ACETIC ACID, CALCIUM SALT Acetic acid (calcium anhydrous) {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {}
Chemical Name Translation乙酸钙,无水
PubChem Substance ID6116
InChIInChI=1S/2C2H4O2.Ca/c2*1-2(3)4;/h2*1H3,(H,3,4);/q;;+2/p-2
Canonical SMILESCC(O[Ca]C1(C)OO1)=O
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分类

  • {uni_hamburg} no charge; carboxylate; 3fragments; ionic
  • {SNA} Analytical Standards, Analytical/Chromatography, Chromatography, Pharmaceutical Secondary Standards, Pharmaceutical Standards

相关文献及参考

  • Short: II/5 Title: Molecular Acoustics Author: Schaaffs, W. Editor: Hellwege, K.-H.; Hellwege, A.M. Source: Landolt-Börnstein, New Series Volume: II/5 Year: 1967 ISBN: 3-540-03897-3 ISBN: 978-3-540-03897-9 Internet Resource: DOI:10.1007/b19950 RefComment: 321 figs., XII, 286 pages, Hardcover
  • Short: IV/1a Title: Densities of Liquid Systems: Nonaqueous Systems and Ternary Aqueous Systems Author: Lacmann, R.; Synowietz, C. Editor: Schäfer, Kl. Source: Landolt-Börnstein, New Series Volume: IV/1a Year: 1974 ISBN: 3-540-06269-6 ISBN: 978-3-540-06269-1 Internet Resource: DOI:10.1007/b20003 RefComment: X, 716 pages. Hardcover Abstract: Volume IV/1 contains information on the densities of liquid systems. It may be considered as a supplement to volume II/1 of the 6th Edition, which contains only a few data on nonaqueous systems. Data are not listed for all systems but primarily for those of greater interest where data for a larger range of concentrations were available.
  • Short: IV/1b Title: Densities of Liquid Systems: Densities of Binary Aqueous Systems and Heat Capacities of Liquid Systems Author: D'Ans, J.; Surawski, H.; Synowietz, C. Editor: Schäfer, Kl. Source: Landolt-Börnstein, New Series Volume: IV/1b Year: 1977 ISBN: 3-540-08272-7 ISBN: 978-3-540-08272-9 Internet Resource: DOI:10.1007/b20004 RefComment: 62 figs., VII, 335 pages. Hardcover Abstract: Volume IV/1 contains information on the densities of liquid systems. It may be considered as a supplement to volume II/1 of the 6th Edition, which contains only a few data on nonaqueous systems. Data are not listed for all systems but primarily for those of greater interest where data for a larger range of concentrations were available.
  • Short: EINECS Title: EINECS (European Inventory of Existing Commercial Chemical Substances) Source: Official Journal of the European Communities Volume: C 146 A (15.06.1990) Page: 1 Year: 1990 Internet Resource: http://ecb.jrc.

安全信息

RTECSAF7525000
Storage condition Hygroscopic Store at room temperature, keep dry and cool
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;
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
Hazard Codes Xi
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

其他信息

  • 上游原料:乙酸 --> 碳酸钙 --> 氢氧化钙 --> 氧化钙 -->
  • {Che
  • 含量分析:含钙量测定法在烧杯中精确称取试样2.5g(准确至lmg),溶于5ml热的稀盐酸试液(TS-117)。冷却后移人250ml容量瓶中,用水定容后混匀。取此溶液50ml移入400ml烧杯,加水100ml、氢氧化钠试液(TS-224)25ml、紫脲酸铵指示剂40mg和萘酚绿试液(TS-154)3ml。用0.05mol/L EDTA二钠滴定至深蓝色。每mL 0.05mol/L EDTA二钠相当于醋酸钙(C4H6CaO4)7.909mg。 含酸量测定法 用强酸型阳离子交换树脂(Amberlite IRl20、100;Du
  • 所属类别二:食品添加剂: 螯合剂
  • 参考质量标准一:GB 15572-1995 含量(以干基计)/%@98.0~102.0 Ph值@7.2~8.2 硫酸盐/%@≤0.1 氯化物/%@≤0.050 重金属(以Pb计)/%@≤0.0025 砷盐(以As计)/%@≤0.0002 镁及碱金属盐/%@≤1.0 钡盐@符合规定 水分/%@≤7.0 氟化物/%@≤0.005
  • 含量分析:含钙量测定法在烧杯中精确称取试样2.5g(准确至lmg),溶于5ml热的稀盐酸试液(TS-117)。冷却后移人250ml容量瓶中,用水定容后混匀。取此溶液50ml移入400ml烧杯,加水100ml、氢氧化钠试液(TS-224)25ml、紫脲酸铵指示剂40mg和萘酚绿试液(TS-154)3ml。用0.05mol/L EDTA二钠滴定至深蓝色。每mL 0.05mol/L EDTA二钠相当于醋酸钙(C4H6CaO4)7.909mg。 含酸量测定法 用强酸型阳离子交换树脂(Amberlite IRl20、100;Duolit c III;Dorvex 50;Lewatit KS;离子交换剂I Merck)充填色谱柱(直径1.5cm,长20cm)的一半。关闭色谱柱的流出锐孔,经顶部加0.1mol/L盐酸,至树脂被完全浸没,放置1~2h。排出酸,用水约1000ml冲洗柱,至20ml洗出液加0.02mol/L氢氧化钠和酚酞试液(TS-167)各1滴后呈现红色为止。称取预经155℃干燥至恒重的试样0.05g(准确至1mg),放于烧瓶中,加水15ml溶解,缓慢注入色谱柱。用约200ml水洗涤烧瓶和柱,将排出液收集于锥形烧瓶中。加酚酞试液(TS-167)2滴,经微量滴定管用0.1mol/L氢氧化钠滴定。每mL 0.1mol/L氢氧化钠相当于醋酸钙(C。H6CaO4)7.909mg。
  • MSDS 信息:Acetic acid calcium salt(62-54-4).msds
  • 方法一:以贝壳为原料,经清洗、粉碎、烘干1h,在900~ l000℃下烧烤2h,再加入水制成1.3~1.5mol/L的石灰乳。然后用醋酸中和至澄清,过滤,滤液浓缩,最后在120~140℃下干燥得成品,收率91.28%。 在20%的乙酸溶液中加入碳酸钙粉末,直到不再逸出CO2气体后,再加入少量的碳酸钙,加热至80℃反应2~3h滤液用水浴加热浓缩,同时加入少量80%的乙酸,即析出乙酸钙一水物(溶液冷却后析出的为二水物),最后在60~70℃下干燥而得成品。 2CH3COOH+CaCO3→(CH3COO)2
  • 用途三:用于制丙酮、醋酸、聚酯工业中。
  • 方法二:由焦木酸(木乙酸)与氢氧化钙中和后,取其滤液蒸干,重结晶而得。 由醋酸与氢氧化钙或碳酸钙反应,过滤后经浓
  • 水中溶解度(g/100ml):不同温度(℃)时每100毫升水中的溶解克数: 37.4g/0℃;36g/10℃;34.7g/20℃;33.8g/30℃;33.2g/40℃ 32.7g/60℃;33.5g/80℃;31.1g/90℃;29.7g/100℃
  • 用途六:用于分析试剂、有机合成、印染及制药工业,或作为食品稳定剂、鳌合剂、抑霉剂、缓冲剂、增香剂、腐蚀阻抑剂。
  • 乙酸钙价格(试剂级):更新日期 产品编号 产品名称 包装 价格 2011/08/23 30033527 乙酸钙;醋酸钙 250g 13元 2011/08/23 30033517 乙酸钙;醋酸钙 250g 15元
  • 用途四:乙酸钙是一种很好的食品钙强化剂,吸收效果比无

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