氯化钙英文MSDS
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氯化钙HS: 2827200000
氯化钙,化学式CaCl2·2H20白色晶体或块状物。
熔点782℃,沸点1600℃,密度2.15克/厘米3(25℃)。
氯化钙在水中的溶解度很大,0℃时100克水能溶解59.5克氯化钙,100℃时溶解159克。
能形成含1、2、4、6个结晶水的水合物,无色立方结晶体,白色或灰白色,有粒状、蜂窝块状、圆球状、不规则颗粒状、粉末状。
无毒、无臭、味微苦。
基本信息
理化性质
使用与用途
制取方法
使用注意事项
物质毒性
氯化钙相关的三个问题
展开
基本信息
理化性质
使用与用途
制取方法
使用注意事项
物质毒性
氯化钙相关的三个问题
展开
编辑本段基本信息
中文同义词:无水氯化钙;氯化钙;氯化钙(液体);无水氯化钙;氯化钙(无水);氯化钙(药用);食用无水氯化钙;工业无水氯化钙
英文名称:Calcium chloride
英文同义词:PELADOW(R) SNOW AND ICE MELT;Anhydrous calcium chloride;anhydrouscalciumchloride;CaCl2;Calcium chloride (CaCl2);Calcium chloride pellets;calciumchloraide;calciumchloride(anhydrous)[1]
编辑本段理化性质
物理性质
溶解在自身的结晶水中,继续加热逐渐失水,至200℃时变为二水物,再加热至260℃则变为白色多孔状的无水氯化钙。
[4]
化学性质
5%水溶液pH值4.5~9.2。
1.7%水溶液同血清等渗。
该品以碳酸钙和盐酸为原料制得,为镁中毒时的解毒剂。
[5]
可溶的氯化钙可用来调配一些不溶于水的钙化合物沉淀:
3 CaCl2(aq) + 2 K3PO4(aq) →Ca3(PO4)2 (s) + 6 KCl (aq)
氯化钙电解后可得出纯钙:
CaCl2 →Ca(s) + Cl2(g)[6]
编辑本段使用与用途
工业用途
分子结构图[2]
1、用作多用途的干燥剂,如用于氮气、氧气、氢气、氯化氢、二氧化硫等气体的干燥。
生产醇、酯、醚和丙烯酸树脂时用作脱水剂。
氯化钙水溶液是冷冻机用和制冰用的重要致冷剂,能加速混凝土的硬化和增加建筑砂浆的耐寒能力,是优良的建筑防冻剂。
用作港口的消雾剂和路面集尘剂、织物防火剂。
用作铝镁冶金的保护剂、精炼剂。
是生产色淀颜料的沉淀剂。
用于废纸加工脱墨。
是生产钙盐的原料。
2、螯合剂;固化剂;钙质强化剂;冷冻用制冷剂;干燥剂;抗结剂;抑微生物剂;腌渍剂;组织改进剂。
3、用作干燥剂、路面集尘剂、消雾剂、织物防火剂、食品防腐剂及用于制造钙盐
4、用作润滑油添加剂
5、用作分析试剂
6、主要用于治疗血钙降低而引起的手足搐搦症、荨麻疹、渗出性水肿、肠和输尿管绞痛、镁中毒等
7、在食品工业中用作钙质强化剂、固化剂、螯合剂和干燥剂。
8、可增加细菌细胞壁的通透性。
医疗用途
适应症:
1.该品可用于肠绞痛等。
2.可用于瘙痒性皮肤病。
3.用于解救镁盐中毒。
4.用于维生素D缺乏性佝偻病、软骨病、孕妇及哺乳期妇女钙盐补充。
5、治疗钙缺乏,急性血钙过低、碱中毒及甲状旁腺功能低下所致的手足搐搦症,维生素D缺乏症等;
6、过敏性疾患;
7、镁中毒时的解救;
8、氟中毒的解救;
9、心脏复苏时应用,如高血钾、低血钙,或钙通道阻滞引起的心功能异常的解救。
用量用法:
将5%氯化钙液10-20ml,以25%葡萄糖液稀释1倍后缓慢静注。
注意事项:
1.静注时,可有全身发热感。
注射宜缓慢(每分钟不超过2ml),因钙盐兴奋心脏,注射过快会使血钙浓度突然增高,引起心律失常,甚至心搏骤停。
2.在应用强心甙期间或停药后7日以内,忌用本品。
3.有强烈刺激性,5%溶液不可直接静注,应在注射前以等量葡萄糖液稀释。
亦不宜作皮注或肌注。
4.注射液不可漏于血管外,否则导致剧痛及组织坏死。
如有外漏于血管外应立即用.。
5%普鲁卡因液作局部封闭。
5、小儿用量:低钙时治疗量为25mg/kg(6.8mg钙),静脉缓慢滴注。
规格:针剂:每支0.3g(10ml)、0.5g(10ml)、0,6g(20ml)、1g(20ml)[7]
儿童用药:
一般情况下,本品不用于小儿。
不良反应:
静脉注射可有全身发热,静注过快可产生恶心、呕吐、心律失常甚至心跳停止。
高钙血症早期可表现为便秘,倦睡、持续头痛、食欲不振、口中有金属味、异常口干等,晚期征象表现为精神错乱、高血压、眼和皮肤对光敏感,恶心。
[8]
编辑本段制取方法
1、二水氯化钙法将食用二水氯化钙于200~300℃下进行干燥脱水,制得食用无水氯化钙成品。
其化学反应方程式:CaCl2·2H2O[260℃]→CaCl2+2H2O
喷雾干燥脱水法将已除去砷和重金属的精制中性氯化钙溶液,通过喷嘴从喷雾干燥塔上方喷成雾状,与300℃热气流进行逆流接触达到干燥脱水,得到粉末状无水氯化钙,制得食用无水氯化钙成品。
[1]
2、由氨碱法制纯碱时的母液,加石灰乳而得水溶液,经蒸发、浓缩、冷却、固化而成。
由碳酸钙与盐酸作用而得。
[1]
生产次氯酸钠中的副产品经精制而成。
[1]
3、脱水法将二水氯化钙于200~300℃下进行干燥脱水,制得无水氯化钙成品,
其其化学反应方程式:CaC12·2H2O→CaCl2+2H2O
对于中性氯化钙溶液,可采用喷雾干燥塔,在300℃热气流下进行喷雾干燥脱水,制得无水氯化钙粉末状成品。
[1]
4、石灰石与稀盐酸:CaCO3+2HCl=CaCl2+H2O+CO2↑,再加热至260摄氏度,蒸发脱水。
[6]
编辑本段使用注意事项
危险性概述
侵入途径:粉尘吸入,食入
健康危害:粉尘会灼烧、刺激鼻腔、口、喉,还可引起鼻出血和破坏鼻组织;干粉会刺激皮肤,溶液会严重刺激甚至灼伤皮肤
皮肤接触:脱去污染的衣着,用大量流动清水冲洗。
眼睛接触:提起眼睑,用流动清水或生理盐水冲洗。
就医。
吸入:脱离现场至空气新鲜处。
如呼吸困难,给输氧。
就医。
食入:饮足量温水,催吐。
就医。
[9]
医疗注射引起高钙血症:心脏骤停。
应急处理
隔离泄漏污染区,限制出入。
避免扬尘,小心扫起,置于袋中转移至安全场所或运至废物处理场所处置。
[9]
操作注意事项
密闭操作,加强通风。
操作人员必须经过专门培训,严格遵守操作规程。
建议操作人员佩戴自吸过滤式防尘口罩,避免产生粉尘。
搬运时要轻装轻卸,防止包装及容器损坏。
[9]
储存注意事项
储存于阴凉、通风的库房。
包装容器必须密封,防止受潮。
与潮解性物品分开堆放。
[9]编辑本段物质毒性
MSDS (100%固体)
Name: Calcium Chloride Material Safety Data Sheet
Synony
Calpus; Caltac; Dowflake; Liquidow; Peladow; Snowmelt; Superflake Anhydrous m:
CAS: 10043-52-4
Section 1 - Chemical Product
MSDS Name:Calcium Chloride Material Safety Data Sheet
Synonym:Calpus; Caltac; Dowflake; Liquidow; Peladow; Snowmelt; Superflake Anhydrous
Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name conten
t
EINECS#
10043-52-
4
Calcium chloride (cacl2) 100 233-140-8
Hazard Symbols: XI
Risk Phrases: 36
Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Irritating to eyes.Hygroscopic (absorbs moisture from the air).
Potential Health Effects
Eye:
Contact with eyes may cause severe irritation, and possible eye burns.
Skin:
Contact with skin causes irritation and possible burns, especially if the skin is wet or moist. Ingestion:
May cause severe gastrointestinal tract irritation with nausea, vomiting and possible burns. May cause cardiac disturbances. May be harmful if swallowed.
Inhalation:
May cause severe irritation of the upper respiratory tract with pain, burns, and inflammation. Chronic:
Effects may be delayed.
Section 4 - FIRST AID MEASURES
Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin:
Get medical aid. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Wash clothing before reuse.
Ingestion:
Do not induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid.
Inhalation:
Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. Do NOT use mouth-to-mouth resuscitation. Notes to Physician:
Section 5 - FIRE FIGHTING MEASURES
General Information:
Wear appropriate protective clothing to prevent contact with skin and eyes. Wear a self-contained breathing apparatus (SCBA) to prevent contact with thermal decomposition products. Extinguishing Media:
Use extinguishing media most appropriate for the surrounding fire.
Section 6 - ACCIDENTAL RELEASE MEASURES
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, observing precautions in the Protective Equipment section. Avoid generating dusty conditions. Provide ventilation.
Section 7 - HANDLING and STORAGE
Handling:
Wash thoroughly after handling. Use with adequate ventilation.
Minimize dust generation and accumulation. Keep container tightly closed. Do not get on skin or in eyes. Do not ingest or inhale. Wash clothing before reuse. Always use cool water when dissolving calcium chloride. Heat evolved is significant.
Storage:
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Store protected from moisture. Store below melting point.
Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 10043-52-4: Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in
29 CFR 1910.133 or European Standard EN166.
Skin:
Wear impervious gloves.
Clothing:
Wear appropriate protective clothing to minimize contact with skin.
Respirators:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.
Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
Physical State: Solid
Color: white
Odor: odorless
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: > 1600 deg C @ 760.00mm Hg
Freezing/Melting Point: 782 deg C
Autoignition Temperature: Not applicable.
Flash Point: Not applicable.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: freely soluble in alcohol
Specific Gravity/Density: 2.1500g/cm3
Molecular Formula: CaCl2
Molecular Weight: 110.99
Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Stable.
Conditions to Avoid:
Dust generation, excess heat, exposure to moist air or water.
Incompatibilities with Other Materials:
Bromine trifluoride, 2-Furanpercarboxylic Acid, Solutions attack some metals..
Hazardous Decomposition Products:
Hydrogen chloride, calcium oxide.
Hazardous Polymerization: Has not been reported.
Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 10043-52-4: EV9800000 LD50/LC50:
CAS# 10043-52-4: Oral, mouse: LD50 = 1940 mg/kg; Oral, rabbit: LD50 = 1384 mg/kg; Oral, rat: LD50 = 1 gm/kg.
Carcinogenicity:
Calcium chloride (cacl2) - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.
Section 12 - ECOLOGICAL INFORMATION
Section 13 - DISPOSAL CONSIDERATIONS
Products which are considered hazardous for supply are classified as Special Waste and the disposal of such chemicals is covered by regulations which may vary according to location. Contact a specialist disposal company or the local waste regulator for advice. Empty containers must be decontaminated before returning for recycling.
Section 14 - TRANSPORT INFORMATION
IATA
Shipping Name: Not regulated.
Hazard Class:
UN Number:
Packing Group:
IMO
Shipping Name: Not regulated.
Hazard Class:
UN Number:
Packing Group:
RID/ADR
Shipping Name: Not regulated.
Hazard Class:
UN Number:
Packing group:
Section 15 - REGULATORY INFORMATION
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XI
Risk Phrases:
R 36 Irritating to eyes.
Safety Phrases:
S 22 Do not breathe dust.
S 24 Avoid contact with skin.
WGK (Water Danger/Protection)
CAS# 10043-52-4: 0
Canada
CAS# 10043-52-4 is listed on Canada's DSL List.
CAS# 10043-52-4 is not listed on Canada's Ingredient Disclosure List. US FEDERAL
TSCA
CAS# 10043-52-4 is listed on the TSCA inventory.。