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CAS: 10213-10-2
分子式: H4Na2O6W
分子量: 329.85
熔点: 698 °C(lit.)
中文名称: 
钨酸钠二水合物
钨酸钠,二水
英文名称: 
Tungstic acid disodium salt dihydrate
Tungstic acid, sodium salt, dihydrate
Sodium tungstate, dihydrate
sodium tungstate dihydrate
Tungstic acid,sodium salt,dihydrate
Sodium tungstate,dihydrate
Tungstic acid sodium salt dihydrate
Sodium tungsten oxide dihydrate,ACS
Sodium tungsten oxide dihydrate
sodiumtungstatedihydrate
推荐供应商
货号品牌产品名称规格包装、参考价格详情
S708211MACKLIN钨酸钠溶液符合药典：通则8002125元/100ml;   320元/500ml;   展开
储存：室温, 密封
S741911MACKLIN钨酸钠溶液12.0% in H2O60元/100ml;   145元/500ml;   展开
储存：室温, 密封
768549MACKLIN钨酸钠99.99% metals basis428元/5g;   展开
储存：室温, 惰性气体保存
状态：白色固体
S817652MACKLIN钨酸钠试剂级, 99.5%46元/50g;   88元/100g;   296元/500g;   1239元/2.5kg;   4680元/10kg;   3488元/12X500g;   展开
储存：室温
状态：白色固体
482682J&KSodium tungstate dihydrate99%, ACS级276元/25G;   676元/100G;   展开

基本信息

分子式Na2WO4·2H2O
分子量329.85
熔点698
密度4.18
MDL编码MFCD00149190
Merck14,8698
EINECS 编号236-743-4

安全信息

图形或危害标志
提示语Warning
危险说明H302
H319
防范说明P280
P301+P312
P305+P351+P338
WGK1
RTECSYO7900000
93-7422StremSodium tungstate dihydrate99+%849元/100g;   2516元/500g;   展开
087371Alfa AesarSodium tungsten oxide dihydrate95%724元/250g;   2074元/1kg;   展开

应用
In organic chemistry, sodium tungstate is used as catalyst for epoxidation of alkenes and oxidation of alcohols into aldehydes or ketones. Used in examining the serum protein, serum protein-free filtrate. Used as alkaloid precipitating agent. Used in manufacture of metal tungsten, tungstate and tungsten oxide. Waterproof and fireproof fabric.

备注
Keep in cool places.

基本信息

MDL
MFCD00149190

EINECS
236-743-4

分子式
Na2WO4?2H2O

分子量
329.86 (293.83anhy)

熔点
100° -2H{2}O

密度
3.250

灵敏度
Ambient temperatures.

形态
Crystalline

溶解性
Soluble in water. Insoluble in alcohol.

Merck
14,8698

GHS危害和防范说明

GHS符号

Hazard Statements
H302-H319
Harmful if swallowed.Causes serious eye irritation.

Precautionary Statements
P280i-P264-P305+P351+P338-P301+P312a-P337+P313-P501a
Wear eye/face protection.Wash thoroughly after handling.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.If eye irritation persists: Get medical advice/attention.Dispose of contents/container in accordance with local/regional/national/international regulations.

安全信息

危险类别
22-36
Harmful if swallowed.Irritating to eyes.

安全等级
26-36-60
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing.This material and its container must be disposed of as hazardous waste

欧盟危险品标志

RTECS
YO7900000

TSCA
是

036489Alfa AesarSodium tungsten oxide dihydrateACS, 99.0-101.0%1077元/100g;   2048元/500g;   展开

应用
In organic chemistry, sodium tungstate is used as catalyst for epoxidation of alkenes and oxidation of alcohols into aldehydes or ketones. Used in examining the serum protein, serum protein-free filtrate. Used as alkaloid precipitating agent. Used in manufacture of metal tungsten, tungstate and tungsten oxide. Waterproof and fireproof fabric.

Grade Specifications
Maximum level of impurities: Insoluble matter 0.01%, Titratable free base 0.02meq/g, Cl 0.005%, Mo 0.001%, SO4 0.01%, Heavy metals and iron (as Pb) 0.001%

备注
Keep in cool places.

基本信息

MDL
MFCD00149190

EINECS
236-743-4

分子式
Na2WO4?2H2O

分子量
329.86 (293.83anhy)

熔点
100° -2H{2}O

密度
3.250

灵敏度
Ambient temperatures.

形态
Powder

溶解性
Soluble in water. Insoluble in alcohol.

Merck
14,8698

GHS危害和防范说明

GHS符号

Hazard Statements
H302-H319
Harmful if swallowed.Causes serious eye irritation.

Precautionary Statements
P280i-P264-P305+P351+P338-P301+P312a-P337+P313-P501a
Wear eye/face protection.Wash thoroughly after handling.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.If eye irritation persists: Get medical advice/attention.Dispose of contents/container in accordance with local/regional/national/international regulations.

安全信息

危险类别
22-36
Harmful if swallowed.Irritating to eyes.

安全等级
26-36-60
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing.This material and its container must be disposed of as hazardous waste

欧盟危险品标志

RTECS
YO7900000

TSCA
是

C42447Alfa AesarSodium tungstate dihydrate99+%, ACS reagent, ACROS Organics401元/5g;   1461元/100g;   4515元/500g;   展开

基本信息

Ref#
42447

MDL
MFCD00149190

EINECS
236-743-4

分子式
Na2 O4 W . 2 H2 O

分子量
329.86 (293.83anhy)

熔点
100° -2H{2}O

密度
3.25

形态
Solid

Merck
14,8698

安全信息

RTECS
YO7900000

TSCA
是

379751Sigma-AldrichSodium tungstate dihydrate99.995% trace metals basis805.11元/5 G;   2539.4元/25 G;   展开

基本信息

线性分子式Na2WO4 · 2H2O
分子量329.85
EC 号236-743-4
MDL编号MFCD00149190
PubChem化学物质编号24863685
NACRESNA.23

产品性质

质量水平100
测定99.995% trace metals basis
形式chunks
mp698 ℃ (lit.)
SMILES stringO.O.[Na+].[Na+].[O-][W]([O-])(=O)=O
InChI1S/2Na.2H2O.4O.W/h;;2*1H2;;;;;/q2*+1;;;;;2*-1;
InChI keyWPZFLQRLSGVIAA-UHFFFAOYSA-N

安全信息

象形图GHS07
警示用语：Warning
危险声明H302
预防措施声明P264 - P270 - P301 + P312 - P501
危险分类Acute Tox. 4 Oral
储存分类代码13 - Non Combustible Solids
WGKWGK 1
闪点(F)Not applicable
闪点(C)Not applicable
个人防护装备dust mask type N95 (US), Eyeshields, Gloves
T2629Sigma-AldrichSodium tungstate dihydratesuitable for preparation of protein-free filtrates according to Folin625.69元/50 G;   798.21元/100 G;   展开

基本信息

线性分子式Na2WO4 · 2H2O
分子量329.85
EC 号236-743-4
MDL编号MFCD00149190
PubChem化学物质编号329826718
NACRESNA.55

产品性质

形式powder
质量水平100
reaction suitabilityreagent type: catalyst
core: tungsten
pH值(酸碱度)9-11.5 (20 ℃, 100 g/L)
mp698 ℃ (lit.)
适用性suitable for preparation of protein-free filtrates according to Folin
SMILES stringO.O.[Na+].[Na+].[O-][W]([O-])(=O)=O
InChI1S/2Na.2H2O.4O.W/h;;2*1H2;;;;;/q2*+1;;;;;2*-1;
InChI keyWPZFLQRLSGVIAA-UHFFFAOYSA-N
1.06673SupelcoSodium tungstate dihydratefor analysis EMSURE®1851.26元/250 G;   4628.15元/1 KG;   展开

产品说明

分析说明

含量测定(热重)： ≥ 99 %
同一性(X 射线衍射)：通过测试
游离碱(以 NaOH 计)： ≤ 0.10 %
氯化物(Cl)： ≤ 0.003 %
硫酸盐(SO₄)： ≤ 0.01 %
总氮(N)： ≤ 0.001 %
Fe(铁)： ≤ 0.0005 %
Mo(钼)： ≤ 0.005 %
Pb(铅)： ≤ 0.001 %

法律信息

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

基本信息

经验(实验)分子式Na2O4W · 2H2O
分子量329.85
MDL编号MFCD00149190
EC索引号236-743-4

产品性质

质量水平300
测定≥99% (thermogravimetric)
形式crystals
效能1190 mg/kg LD50, oral (Rat)
pH值(酸碱度)8-9 (20 ℃, 50 g/L in H2O)
mp100 ℃ (Elimination of water of crystallisation)
溶解性 730 g/L
密度3.23 g/cm3 at 20 ℃
堆积密度1600 kg/m3
痕量阴离子chloride (Cl-): ≤0.003%
sulfate (SO42-): ≤0.01%
痕量阳离子Fe: ≤ 0.0005%
Mo: ≤ 0.005%
N: ≤ 0.001%
Pb: ≤ 0.001%
excess alkali (as NaOH): ≤ 0.10%
储存温度15-25℃
InChI1S/2Na.2H2O.4O.W/h;;2*1H2;;;;;/q2*+1;;;;;2*-1;
InChI keyWPZFLQRLSGVIAA-UHFFFAOYSA-N

安全信息

象形图GHS07
警示用语：Warning
危险声明H302
预防措施声明P264 - P270 - P301 + P312 - P501
危险分类Acute Tox. 4 Oral
储存分类代码13 - Non Combustible Solids
WGKWGK 1
闪点(F)Not applicable
闪点(C)Not applicable
1.06672SupelcoSodium tungstate dihydrateEMPLURA®3702.51元/1 KG;   74050.4元/25 KG;   展开

产品说明

分析说明

Assay (thermogravimetric): ≥ 98 %
Identity (x-ray diffraction): passes test
Free alkali (as NaOH): ≤ 0.1 %
Chloride (Cl): ≤ 0.01 %
Sulfate (SO₄): ≤ 0.02 %
Total nitrogen (N): ≤ 0.005 %
Fe (Iron): ≤ 0.002 %

法律信息

EMPLURA is a registered trademark of Merck KGaA, Darmstadt, Germany

基本信息

经验(实验)分子式Na2O4W · 2H2O
分子量329.85
MDL编号MFCD00149190
EC索引号236-743-4

产品性质

质量水平200
测定≥98% (thermogravimetric)
形式crystals
效能1190 mg/kg LD50, oral (Rat)
pH值(酸碱度)8-9 (20 ℃, 50 g/L in H2O)
mp100 ℃ (Elimination of water of crystallisation)
溶解性 730 g/L
密度3.23 g/cm3 at 20 ℃
堆积密度1600 kg/m3
痕量阴离子chloride (Cl-): ≤0.01%
sulfate (SO42-): ≤0.02%
痕量阳离子Fe: ≤ 0.002%
N: ≤ 0.005%
excess alkali (as NaOH): ≤0.1%
储存温度15-25℃
InChI1S/2Na.2H2O.4O.W/h;;2*1H2;;;;;/q2*+1;;;;;2*-1;
InChI keyWPZFLQRLSGVIAA-UHFFFAOYSA-N

安全信息

象形图GHS07
警示用语：Warning
危险声明H302
预防措施声明P264 - P270 - P301 + P312 - P501
危险分类Acute Tox. 4 Oral
储存分类代码13 - Non Combustible Solids
WGKWGK 1
闪点(F)Not applicable
闪点(C)Not applicable
223336Sigma-AldrichSodium tungstate dihydrateACS reagent, ≥99%593.31元/5 G;   1650.74元/100 G;   2568.21元/500 G;   展开

产品说明

一般描述

二水合钨酸钠是钨酸的水合钠盐。作为催化剂参与各种环氧化物的制备。已分析二水合钨酸钠的各种晶体学属性。

应用

钨酸钠二水合物 (Na2WO4.2H2O) 可用于以下研究：

  • 作为荧光法测定过氧化氢的衍生试剂。
  • 合成N-羟基 - 去铁胺 B——一种微生物产品去铁胺 B 的代谢产物。
  • 高晶型 CaMoO4、SrMoO4、CaWO4 和 SrWO4 纳米颗粒的制备。

二水合钨酸钠可用于制备二水合氧化钨溶胶。
与过氧化氢结合，用于仲胺氧化成硝酮。

包装

5, 100, 500 g in poly bottle

基本信息

线性分子式Na2WO4 · 2H2O
分子量329.85
EC 号236-743-4
MDL编号MFCD00149190
PubChem化学物质编号329752303
NACRESNA.21

产品性质

质量水平200
等级ACS reagent
测定≥99%
形式crystalline powder
reaction suitabilityreagent type: catalyst
core: tungsten
杂质≤0.01% insolubles
≤0.02 meq/g Titr. free base
pH值(酸碱度)9-11.5 (20 ℃, 100 g/L)
mp698 ℃ (lit.)
痕量阴离子chloride (Cl-): ≤0.005%
sulfate (SO42-): ≤0.01%
痕量阳离子Mo: ≤0.001%
heavy metals and iron (as Pb): ≤0.001%
SMILES stringO.O.[Na+].[Na+].[O-][W]([O-])(=O)=O
InChI1S/2Na.2H2O.4O.W/h;;2*1H2;;;;;/q2*+1;;;;;2*-1;
InChI keyWPZFLQRLSGVIAA-UHFFFAOYSA-N

安全信息

象形图GHS07
警示用语：Warning
危险声明H302
预防措施声明P264 - P270 - P301 + P312 - P501
危险分类Acute Tox. 4 Oral
储存分类代码13 - Non Combustible Solids
WGKWGK 1
闪点(F)Not applicable
闪点(C)Not applicable
72069Sigma-AldrichSodium tungstate dihydrateBioUltra, ≥99.0% (T)592.89元/25 G;   2289.63元/100 G;   展开

产品说明

一般描述

钨酸钠二水合物是钨酸的钠盐 ，呈白色无色结晶。

应用

钨酸钠二水合物已用于生物发光测定 和多晶样品合成。

其他说明

电镜下染色(核酸、某些糖蛋白)；蛋白沉淀剂 。

基本信息

线性分子式Na2WO4 · 2H2O
分子量329.85
EC 号236-743-4
MDL编号MFCD00149190
PubChem化学物质编号57652396
NACRESNA.25

产品性质

产品线BioUltra
质量水平100
测定≥99.0% (T)
杂质 insoluble matter, passes filter test
≤0.001% total nitrogen (N)
≤0.1% free alkali (as NaOH)
pH值(酸碱度)9.5-11.5 (25 ℃, 1 M in H2O)
mp698 ℃ (lit.)
溶解性H2O: 1 M at 20 ℃, clear, colorless
痕量阴离子chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤100 mg/kg
痕量阳离子As: ≤0.5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Ni: ≤5 mg/kg
Pb: ≤10 mg/kg
Zn: ≤5 mg/kg
λ1 M in H2O
紫外吸收λ: 260 nm Amax: ≤0.120
λ: 280 nm Amax: ≤0.035
SMILES stringO.O.[Na+].[Na+].[O-][W]([O-])(=O)=O
InChI1S/2Na.2H2O.4O.W/h;;2*1H2;;;;;/q2*+1;;;;;2*-1;
InChI keyWPZFLQRLSGVIAA-UHFFFAOYSA-N

安全信息

象形图GHS07
警示用语：Warning
危险声明H302
预防措施声明P264 - P270 - P301 + P312 - P501
危险分类Acute Tox. 4 Oral
储存分类代码13 - Non Combustible Solids
WGKWGK 1
闪点(F)Not applicable
闪点(C)Not applicable
个人防护装备dust mask type N95 (US), Eyeshields, Gloves
095123FluorochemSodium tungstate dihydrate98%308元/50g;   550元/100g;   880元/250g;   展开

基本信息

CAS Number10213-10-2
MDL NumberMFCD00149190
Density4.18

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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