| 货号 | 品牌 | 产品名称 | 规格 | 包装、参考价格 | |
| T818907 | MACKLIN | 钨酸 | 99.999% metals basis | 796元/5g; | 咨询 |
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| T818906 | MACKLIN | 钨酸 | 99.95% metals basis | 44元/25g; 111元/100g; 397元/500g; 1888元/2.5kg; | 咨询 |
储存：室温 状态：黄色到橙色粉末和/或块状 折射率：2.24 |
| T818905 | MACKLIN | 钨酸 | 99% | 37元/25g; 100元/100g; 360元/500g; 1766元/2.5kg; 6670元/10kg; | 咨询 |
储存：室温 状态：黄色到黄色-橙色粉末 折射率：2.24 |
| 171890 | J&K | Tungstic acid | 98% | 233元/25G; 622元/100G; 2478元/500G; | 咨询 |
基本信息 | 分子式 | H2WO4 | | 分子量 | 249.85 | | 熔点 | >100 | | 密度 | 5.5 | | MDL编码 | MFCD00011336 | | Merck | 14,9818 |
安全信息 |
| 93-7410 | Strem | Tungstic acid | 99% | 615元/50g; 2280元/250g; | 咨询 |
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| 082118 | Alfa Aesar | Tungstic(VI) acid | | 658元/25g; 2324元/100g; 16819元/500g; | 咨询 |
应用
Applied as flavoring agent and fragrance. 备注
Store away from incompatibles. 基本信息 MDL
MFCD00011336 EINECS
231-975-2 分子式
H2WO4 分子量
249.86 熔点
100° dec. 沸点
1473° 密度
5.5 折射率
2.24 灵敏度
Ambient temperatures. 形态
Powder 溶解性
Insoluble in water and acid. Soluble in alkaline solution. Merck
14,9818 GHS危害和防范说明 GHS符号
 Hazard Statements
H315-H319-H335
Causes skin irritation.Causes serious eye irritation.May cause respiratory irritation. Precautionary Statements
P261-P280a-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapours/spray.Wear protective gloves and eye/face protection.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations. 安全信息 危险类别
36/37/38
Irritating to eyes, respiratory system and skin. 安全等级
26-37
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. TSCA
是 |
| 223328 | Sigma-Aldrich | Tungstic acid | 99% | 619.29元/100 G; 2252.58元/500 G; | 咨询 |
产品说明 一般描述 钨酸可以通过石灰钨酸盐的消化或通过盐酸处理钨来制备。 1 包装 100, 500 g in poly bottle
5 g 玻璃瓶封装；100 g, 500 g 聚乙烯瓶封装 应用 作为原材料可用于合成新型二聚杂多氧代钨酸盐，其具有进一步研究二氧化硅表面接枝多过氧化物种的潜力。 基本信息 | 线性分子式 | H2WO4 | | 分子量 | 249.85 | | EC 号 | 231-975-2 | | MDL编号 | MFCD00011336 | | PubChem化学物质编号 | 24853375 | | NACRES | NA.23 |
产品性质 | 质量水平 | 100 | | 测定 | 99% | | 形式 | powder | | 密度 | 5.5 g/mL at 25 ℃ (lit.) | | SMILES string | O[W](O)(=O)=O | | InChI | 1S/2H2O.2O.W/h2*1H2;;;/q;;;;+2/p-2 | | InChI key | CMPGARWFYBADJI-UHFFFAOYSA-L |
安全信息 | 象形图 | | | 警示用语： | Warning | | 危险声明 | H315 - H319 - H335 | | 预防措施声明 | P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338 | | 危险分类 | Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3 | | 靶器官 | Respiratory system | | 储存分类代码 | 13 - Non Combustible Solids | | WGK | WGK 3 | | 闪点(F) | Not applicable | | 闪点(C) | Not applicable | | 个人防护装备 | Eyeshields, Gloves, type N95 (US) |
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| 95420 | Sigma-Aldrich | Tungstic acid | ≥98.0% (calcined substance, T), powder | 1020.67元/100 G; 5850.34元/500 G; | 咨询 |
产品说明 一般描述 Tungstic acid may be prepared by either digesting tungstate of lime or by treating tungsten with hydrochloric acid. 1 包装 100, 500 g in poly bottle 基本信息 | 线性分子式 | H2WO4 | | 分子量 | 249.85 | | EC 号 | 231-975-2 | | MDL编号 | MFCD00011336 | | PubChem化学物质编号 | 57653679 | | NACRES | NA.23 |
产品性质 | 质量水平 | 200 | | 测定 | ≥98.0% (calcined substance, T) | | 形式 | powder | | 杂质 | ≤0.2% insoluble matter in NaOH | | 缺失 | ≤9.0% loss on ignition | | 密度 | 5.5 g/mL at 25 ℃ (lit.) | | SMILES string | O[W](O)(=O)=O | | InChI | 1S/2H2O.2O.W/h2*1H2;;;/q;;;;+2/p-2 | | InChI key | CMPGARWFYBADJI-UHFFFAOYSA-L |
安全信息 | 象形图 | | | 警示用语： | Warning | | 危险声明 | H315 - H319 - H335 | | 预防措施声明 | P302 + P352 - P305 + P351 + P338 | | 危险分类 | Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3 | | 靶器官 | Respiratory system | | 储存分类代码 | 13 - Non Combustible Solids | | WGK | WGK 3 | | 闪点(F) | Not applicable | | 闪点(C) | Not applicable | | 个人防护装备 | Eyeshields, Gloves, type N95 (US) |
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| 095122 | Fluorochem | Tungstic(VI) acid | 95+% | 220元/25g; 374元/100g; | 咨询 |
基本信息 | CAS Number | 7783-03-1 | | MDL Number | MFCD00011336 | | Melting Point | 100?(dec.) |
安全信息 | 图形或危害标志 | | | 危险性说明 | H302: Harmful if swallowed.
H315: Causes skin irritation.
H319: Causes serious eye irritation.
H335: May cause respiratory irritation.
| | 防范说明 | P233: Keep container tightly closed.
P260: Do not breathe .
P261: Avoid breathing
P264: Wash hands thoroughly after handling.
P270: Do not eat, drink or smoke when using this product.
P271: Use only outdoors or in a well-ventilated area.
P280: Wear .
P301 + P312: IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P304: IF INHALED: .
P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P312: Call a POISON CENTER or doctor/physician if you feel unwell.
P321: Specific treatment (see . on this label).
P330: Rinse mouth.
P332 + P313: If skin irritation occurs: Get medical advice/ attention.
P337 + P313: If eye irritation persists: Get medical advice/attention.
P340: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P362: Take off contaminated clothing and wash before reuse.
P403: Store in a well-ventilated place.
P403 + P233: Store in a well-ventilated place. Keep container tightly closed.
P405: Store locked up.
P501: Dispose of contents/container to local regulations.
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