7789-06-2

• 常用中文名：铬酸锶
• 常用英文名：Strontium chromate
• CAS号：7789-06-2
• 分子式：CrO₄Sr
• 分子量：203.61400
• 相关类别： 无机化工 无机盐 金属氧化物酸盐、金属过氧化物酸盐
• 发布时间：2018-05-03 08:00:00
• 更新时间：2024-01-07 17:23:30

• 1.无机黄色颜料，主要用于制造高温涂料，有色金属的防锈底漆，也用于塑料、橡胶的着色以及各种拼色，也可用于玻璃、陶瓷、油墨工业。由于热稳定性高，用于航空工业，在剧烈的气候变化和较高的表面温度下，能获得良好的阻蚀效果。

  2.由于三氧化铬含量在40％以上，常用于轻金属防锈底漆。用于制造耐高温涂料、防锈底漆。用于塑料和橡胶制品的着色，以及各种拼色。也用于油墨、玻璃、陶瓷工业。用做颜料中的缓蚀剂。

  3.用作防锈颜料，用于保护涂层及装饰涂层，用作绘画颜料及乙烯基树脂的着色剂。

名称

• 中文名: 铬酸锶
• 英文名: Strontium chromate
• 中文别名: C.I.颜料黄 32; 锶黄; 801永固柠檬黄
• 英文别名: strontium,dioxido(dioxo)chromium; EINECS 232-142-6; MFCD00049549

物化性质

• 密度: 3.895
• 分子式: CrO₄Sr
• 分子量: 203.61400
• 精确质量: 203.82600
• PSA: 80.26000
• 外观性状: 黄色粉末
• 储存条件:

  应贮存在阴凉、通风、干燥的库房内。

• 稳定性:

  如果遵照规格使用和储存则不会分解。溶于盐酸、硝酸、乙酸和氨水，微溶于水。耐热性好，可达 400 ℃。耐光性 4～５级。着色力弱。油渗性为1级。耐酸性和耐碱性为3级。具有较好的防锈性能。有毒!

  微溶于冷水，易溶于稀盐酸、硝酸、醋酸和铵盐溶液，溶于沸水。有防腐蚀性能，能抗热和光的作用。

• 水溶解性: 不同温度(℃)时每100毫升水中的溶解克数: 8.5×10-2/20℃;9.0×10-2/30℃
• 分子结构:

  1、摩尔折射率：无可用的

  2、摩尔体积（cm³/mol）：无可用的

  3、等张比容（90.2K）：无可用的

  4、表面张力（dyne/cm）：无可用的

  5、介电常数：无可用的

  6、极化率（10^-24cm³）：无可用的

  7、单一同位素质量：203.825787 Da

  8、标称质量：204 Da

  9、平均质量：203.6137 Da

• 更多:

  1. 性状：亮黄色粉末。单斜晶系。

  2. 密度（g/mL 25ºC）：3.895

  3. 相对蒸汽密度（g/mL,空气=1）：未确定

  4. 熔点（ºC）：未确定

  5. 沸点（ºC，常压）：未确定

  6. 沸点（ºC,5.2kPa）：未确定

  7. 折射率（n20/D）：未确定

  8. 闪点（ºC，）：未确定

  9. 比旋光度（º）：未确定

  10. 自燃点或引燃温度（ºC）：未确定

  11. 蒸气压（kPa,25ºC）：未确定

  12. 饱和蒸气压（kPa,60ºC）：未确定

  13. 燃烧热（KJ/mol）：未确定

  14. 临界温度（ºC）：未确定

  15. 临界压力（KPa）：未确定

  16. 油水（辛醇/水）分配系数的对数值（25℃）：未确定

  17. 爆炸上限（%,V/V）：未确定

  18. 爆炸下限（%,V/V）：未确定

  19. 溶解性(mg/mL)：溶于盐酸、硝酸、醋酸、铵盐。微溶于水

MSDS

Section 1. Chemical Product and Company Identification Strontium chromateCatalog XX219, S1678 Common Name/ Number(s). Trade Name CAS#7789-06-2 Manufacturer RTECSGB3240000 SPECTRUM CHEMICAL MFG. CORP. TSCATSCA 8(b) inventory: Strontium chromate Commercial Name(s)Not available. CI# Not available. SynonymNot available. IN CASE OF EMERGENCY Not available. Chemical Name Chemical FamilyNot available.CALL (310) 516-8000 SrCrO4 Chemical Formula SPECTRUM CHEMICAL MFG. CORP. Section 2.Composition and Information on Ingredients Exposure Limits TWA (mg/m3)STEL (mg/m3) CEIL (mg/m3) NameCAS #% by Weight 1) Strontium chromate7789-06-20.0005100 Toxicological DataStrontium chromate: on IngredientsORAL (LD50):Acute: 3118 mg/kg [Rat]. Section 3. Hazards Identification Potential Acute Health Effects Very hazardous in case of ingestion. Hazardous in case of skin contact (irritant, permeator), of eye contact (irritant), of inhalation. Potential Chronic HealthVery hazardous in case of ingestion. Hazardous in case of skin contact (irritant, permeator), of eye contact (irritant), of inhalation. Effects CARCINOGENIC EFFECTS: Classified 1 (Proven for human.) by IARC, 1 (Known.) by NTP, + (PROVEN) by OSHA. Classified A2 (Suspected for human.) by ACGIH. MUTAGENIC EFFECTS: Not available. TERATOGENIC EFFECTS: Not available. DEVELOPMENTAL TOXICITY: Not available. Strontium chromate Section 4. First Aid Measures Eye ContactCheck for and remove any contact lenses. Immediately flush eyes with running water for at least 15 minutes, keeping eyelids open. Cold water may be used. Do not use an eye ointment. Seek medical attention. Skin ContactAfter contact with skin, wash immediately with plenty of water. Gently and thoroughly wash the contaminated skin with running water and non-abrasive soap. Be particularly careful to clean folds, crevices, creases and groin. Cover the irritated skin with an emollient. If irritation persists, seek medical attention. Wash contaminated clothing before reusing. Serious Skin ContactWash with a disinfectant soap and cover the contaminated skin with an anti-bacterial cream. Seek medical attention. InhalationAllow the victim to rest in a well ventilated area. Seek immediate medical attention. Serious InhalationNot available. IngestionDo not induce vomiting. Loosen tight clothing such as a collar, tie, belt or waistband. If the victim is not breathing, perform mouth-to-mouth resuscitation. Seek immediate medical attention. Serious IngestionNot available. Section 5. Fire and Explosion Data Flammability of the Product May be combustible at high temperature. Auto-Ignition Temperature Not available. Flash PointsNot available. Flammable LimitsNot available. Some metallic oxides. Products of Combustion Fire Hazards in Presence of Not available. Various Substances Explosion Hazards in Presence Risks of explosion of the product in presence of mechanical impact: Not available. of Various SubstancesRisks of explosion of the product in presence of static discharge: Not available. Fire Fighting MediaSMALL FIRE: Use DRY chemical powder. and InstructionsLARGE FIRE: Use water spray, fog or foam. Do not use water jet. Special Remarks onNot available. Fire Hazards Special Remarks on Explosion Not available. Hazards Section 6. Accidental Release Measures Small SpillUse appropriate tools to put the spilled solid in a convenient waste disposal container. Finish cleaning by spreading water on the contaminated surface and dispose of according to local and regional authority requirements. Large Spill Use a shovel to put the material into a convenient waste disposal container. Be careful that the product is not present at a concentration level above TLV. Check TLV on the MSDS and with local authorities. Strontium chromate Section 7. Handling and Storage PrecautionsKeep locked up Keep away from heat. Keep away from sources of ignition. Empty containers pose a fire risk, evaporate the residue under a fume hood. Ground all equipment containing material. Do not ingest. Do not breathe dust. Wear suitable protective clothing In case of insufficient ventilation, wear suitable respiratory equipment If ingested, seek medical advice immediately and show the container or the label. Avoid contact with skin and eyes StorageKeep container dry. Keep in a cool place. Ground all equipment containing material. Carcinogenic, teratogenic or mutagenic materials should be stored in a separate locked safety storage cabinet or room. Section 8. Exposure Controls/Personal Protection Engineering ControlsUse process enclosures, local exhaust ventilation, or other engineering controls to keep airborne levels below recommended exposure limits. If user operations generate dust, fume or mist, use ventilation to keep exposure to airborne contaminants below the exposure limit. Personal ProtectionSplash goggles. Lab coat. Dust respirator. Be sure to use an approved/certified respirator or equivalent. Gloves. Personal Protection in Case of Splash goggles. Full suit. Dust respirator. Boots. Gloves. A self contained breathing apparatus should be used a Large Spillto avoid inhalation of the product. Suggested protective clothing might not be sufficient; consult a specialist BEFORE handling this product. TWA: 0.0005 (mg/m3) from ACGIH Exposure Limits Consult local authorities for acceptable exposure limits. Section 9. Physical and Chemical Properties Physical state and appearance Solid. (Powdered solid.)Not available. Odor TasteNot available. Molecular Weight203.64 g/mole ColorYellowish. pH (1% soln/water)Not available. Not available. Boiling Point Melting PointDecomposes. Critical TemperatureNot available. 3.895 (Water = 1) Specific Gravity Vapor PressureNot applicable. Not available. Vapor Density VolatilityNot available. Not available. Odor Threshold Water/Oil Dist. Coeff.Not available. Ionicity (in Water)Not available. Dispersion PropertiesNot available. SolubilityVery slightly soluble in cold water. Strontium chromate Section 10. Stability and Reactivity Data The product is stable. Stability Instability TemperatureNot available. Not available. Conditions of Instability Not available. Incompatibility with various substances CorrosivityNon-corrosive in presence of glass. Special Remarks onNot available. Reactivity Special Remarks onNot available. Corrosivity PolymerizationNo. Section 11. Toxicological Information Routes of EntryDermal contact. Eye contact. Inhalation. Ingestion. Toxicity to AnimalsAcute oral toxicity (LD50): 3118 mg/kg [Rat]. Chronic Effects on HumansCARCINOGENIC EFFECTS: Classified 1 (Proven for human.) by IARC, 1 (Known.) by NTP, + (PROVEN) by OSHA. Classified A2 (Suspected for human.) by ACGIH. Other Toxic Effects onVery hazardous in case of ingestion. HumansHazardous in case of skin contact (irritant, permeator), of inhalation. Special Remarks onNot available. Toxicity to Animals Special Remarks onNot available. Chronic Effects on Humans Special Remarks on otherNot available. Toxic Effects on Humans Section 12. Ecological Information EcotoxicityNot available. Not available. BOD5 and COD Possibly hazardous short term degradation products are not likely. However, long term degradation products may Products of Biodegradation arise. Toxicity of the ProductsThe products of degradation are more toxic. of Biodegradation Not available. Special Remarks on the Products of Biodegradation Strontium chromate Section 13. Disposal Considerations Waste Disposal Section 14. Transport Information DOT ClassificationCLASS 9: Miscellaneous hazardous material. : Environmentally hazardous substance, solid, n.o.s. (Strontium chromate) : UN3077 PG: III Identification Not available. Special Provisions for Transport DOT (Pictograms) Section 15. Other Regulatory Information and Pictograms California prop. 65: This product contains the following ingredients for which the State of California has found to Federal and State cause cancer, birth defects or other reproductive harm, which would require a warning under the statute: Regulations Strontium chromate California prop. 65: This product contains the following ingredients for which the State of California has found to cause cancer which would require a warning under the statute: Strontium chromate Pennsylvania RTK: Strontium chromate Massachusetts RTK: Strontium chromate TSCA 8(b) inventory: Strontium chromate SARA 313 toxic chemical notification and release reporting: Strontium chromate CERCLA: Hazardous substances.: Strontium chromate California prop. 65: This product contains the following ingredients for which the State of California has found California Proposition 65to cause cancer which would require a warning under the statute: Strontium chromate Warnings Other RegulationsOSHA: Hazardous by definition of Hazard Communication Standard (29 CFR 1910.1200). Other ClassificationsWHMIS (Canada) CLASS D-2A: Material causing other toxic effects (VERY TOXIC). DSCL (EEC)R36/38- Irritating to eyes and skin. R45- May cause cancer. Health Hazard HMIS (U.S.A.)2 National Fire Protection 1 Flammability 1 Association (U.S.A.) Fire Hazard 2 0 Reactivity Health Reactivity 0 Specific hazard Personal Protection E WHMIS (Canada) (Pictograms) DSCL (Europe) (Pictograms) Strontium chromate TDG (Canada) (Pictograms) ADR (Europe) (Pictograms) Protective Equipment Gloves. Lab coat. Dust respirator. Be sure to use an approved/certified respirator or equivalent. Wear appropriate respirator when ventilation is inadequate. SECTION 16 - ADDITIONAL INFORMATION N/A

毒性和生态

生态学数据: 对水是极其危害的，若无政府许可，勿将材料排入周围环境。 CHEMICAL IDENTIFICATION RTECS NUMBER : GB3240000 CAS REGISTRY NUMBER : 7789-06-2 LAST UPDATED : 199712 DATA ITEMS CITED : 45 MOLECULAR FORMULA : Cr-O4.Sr MOLECULAR WEIGHT : 203.62 WISWESSER LINE NOTATION : SR CR-O2-Q2 HEALTH HAZARD DATA ACUTE TOXICITY DATA TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 3118 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intratracheal SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 16600 ug/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Mammal - species unspecified DOSE/DURATION : >1500 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Intratracheal SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 40 mg/kg/34W-I TOXIC EFFECTS : Tumorigenic - equivocal tumorigenic agent by RTECS criteria Lungs, Thorax, or Respiration - tumors Tumorigenic - tumors at site of application TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Implant SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 125 mg/kg TOXIC EFFECTS : Tumorigenic - equivocal tumorigenic agent by RTECS criteria Tumorigenic - tumors at site of application MUTATION DATA TYPE OF TEST : Sister chromatid exchange TEST SYSTEM : Rodent - hamster Ovary REFERENCE : MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 156,219,1985 *** REVIEWS *** ACGIH TLV-Suspected human carcinogen DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 ACGIH TLV-STEL 0.0005 mg(Cr)/m3 DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 IARC Cancer Review:Animal Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 23,205,1980 IARC Cancer Review:Animal Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 49,49,1990 IARC Cancer Review:Human Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 23,205,1980 IARC Cancer Review:Human Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 49,49,1990 IARC Cancer Review:Group 1 IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 49,49,1990 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 0.5 mg(Cr)/m3 DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: 3,35,1971 OSHA PEL (Gen Indu):CL 0.1 mg(CrO3)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1910.1000,1994 OSHA PEL (Construc):CL 0.1 mg(CrO3)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1926.55,1994 OSHA PEL (Shipyard):CL 0.1 mg(CrO3)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 OSHA PEL (Fed Cont):CL 0.1 mg(CrO3)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 41,50-204.50,1994 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-ARAB Republic of Egypt:TWA 0.5 mg/m3 JAN 1993 OEL-AUSTRALIA:TWA 0.5 mg/m3 JAN 1993 OEL-BELGIUM:TWA 0.5 mg/m3 JAN 1993 OEL-DENMARK:TWA 0.5 mg/m3 JAN 1993 OEL-FINLAND:TWA 0.5 mg/m3 JAN 1993 OEL-FINLAND;Carcinogen JAN 1993 OEL-FRANCE:TWA 0.05 mg/m3;Carcinogen JAN 1993 OEL-FRANCE;Skin JAN 1993 OEL-GERMANY;Carcinogen JAN 1993 OEL-INDIA:TWA 0.5 mg/m3 JAN 1993 OEL-THE PHILIPPINES:TWA 0.5 mg/m3 JAN 1993 OEL-SWEDEN:TWA 0.5 mg/m3 JAN 1993 OEL-SWITZERLAND:TWA 0.05 mg/m3;Carcinogen JAN 1993 OEL-THAILAND:TWA 1 mg/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 0.5 mg/m3 JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO CHROMIUM(VI)-air:10H CA TWA 0.001 mg(Cr)/m3 REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M2287 No. of Facilities: 627 (estimated) No. of Industries: 19 No. of Occupations: 28 No. of Employees: 10145 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M2287 No. of Facilities: 1164 (estimated) No. of Industries: 28 No. of Occupations: 36 No. of Employees: 38744 (estimated) No. of Female Employees: 2855 (estimated)

安全

• 危害码 (欧洲): T,N
• 风险声明 (欧洲): 45-22-50/53
• 安全声明 (欧洲): S53-S45-S60-S61
• 危险品运输编码: UN3087
• 包装等级: III
• 危险类别: 5.1

制备

1.合成法

将26.2g(0.1mol)重铬酸钠溶于150ml水中配成重铬酸钠水溶液。另将10.6g (0.1mol)碳酸钠溶于100ml水中配成水溶液。搅拌下将上述两种溶液混合反应，生成铬酸钠溶液。称取31.8g（0.2mol)氯化锶溶于160ml水中配成氯化锶溶液，然后在搅拌下将其加入制备好的铬酸钠溶液中，升温至45～50℃，搅拌20min，过滤、水洗、干燥、粉碎。

2.由氯化锶与铬酸钾共熔，用水浸洗制得。

3.将硝酸锶（或氯化锶）热溶液加到沸腾的铬酸钠溶液中（铬酸钠稍过量），于80～90℃反应2～3h，沉淀滤洗、烘干、粉碎即得。