磷酸二氢钠 [7558-80-7]
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英文名:Sodium dihydrogenorthophosphate
- 别名:无水 磷酸一钠 无水磷酸二氢钠 磷酸二氢钠 无水
- CAS号:7558-80-7 分子式:H2NAO4P 分子量:119.98
P98935-500g 磷酸二氢钠 [7558-80-7] AR 500g 63.00 促销价:39.69
P98936-100g 磷酸二氢钠 [7558-80-7] AR 100g 36.00 促销价:22.68
P98935-250g 磷酸二氢钠 [7558-80-7] for HPLC,≥99.0% 250g 1085.00 促销价:792.05
P98939-50g 磷酸二氢钠 [7558-80-7] for HPLC,≥99.0% 50g 428.00 促销价:312.44
P98936-10g 磷酸二氢钠 [7558-80-7] for HPLC,≥99.0% 10g 145.00 促销价:105.85
P98937-500g 磷酸二氢钠 [7558-80-7] GR 500g 66.00 促销价:41.58
P98937-100g 磷酸二氢钠 [7558-80-7] GR 100g 38.00 促销价:23.94
P98934-100g 磷酸二氢钠 [7558-80-7] PT 100g 65.00
P98931-500g 磷酸二氢钠 [7558-80-7] 用于细胞与昆虫细胞培养,≥99.0% (T) 500g 480.00
P98930-100g 磷酸二氢钠 [7558-80-7] 用于细胞与昆虫细胞培养,≥99.0% (T) 100g 220.00
订货编号 | 商品名称 | 规格 | 包装 | 单价 | 促销价 | 会员价 | 数量 |
P98934-25g | 磷酸二氢钠 [7558-80-7] | 4N | 25g | 78.00 | 78.00 | 登录可见 |
P98934-25g 磷酸二氢钠 [7558-80-7] 4N 25g 78.00
|
P98935-500g | 磷酸二氢钠 [7558-80-7] | AR | 500g | 63.00 | 39.69 | 登录可见 |
P98935-500g 磷酸二氢钠 [7558-80-7] AR 500g 63.00 促销价:39.69
|
P98936-100g | 磷酸二氢钠 [7558-80-7] | AR | 100g | 36.00 | 22.68 | 登录可见 |
P98936-100g 磷酸二氢钠 [7558-80-7] AR 100g 36.00 促销价:22.68
|
P98935-250g | 磷酸二氢钠 [7558-80-7] | for HPLC,≥99.0% | 250g | 1085.00 | 792.05 | 登录可见 |
P98935-250g 磷酸二氢钠 [7558-80-7] for HPLC,≥99.0% 250g 1085.00 促销价:792.05
|
P98939-50g | 磷酸二氢钠 [7558-80-7] | for HPLC,≥99.0% | 50g | 428.00 | 312.44 | 登录可见 |
P98939-50g 磷酸二氢钠 [7558-80-7] for HPLC,≥99.0% 50g 428.00 促销价:312.44
|
P98936-10g | 磷酸二氢钠 [7558-80-7] | for HPLC,≥99.0% | 10g | 145.00 | 105.85 | 登录可见 |
P98936-10g 磷酸二氢钠 [7558-80-7] for HPLC,≥99.0% 10g 145.00 促销价:105.85
|
P98937-500g | 磷酸二氢钠 [7558-80-7] | GR | 500g | 66.00 | 41.58 | 登录可见 |
P98937-500g 磷酸二氢钠 [7558-80-7] GR 500g 66.00 促销价:41.58
|
P98937-100g | 磷酸二氢钠 [7558-80-7] | GR | 100g | 38.00 | 23.94 | 登录可见 |
P98937-100g 磷酸二氢钠 [7558-80-7] GR 100g 38.00 促销价:23.94
|
P98934-100g | 磷酸二氢钠 [7558-80-7] | PT | 100g | 65.00 | 65.00 | 登录可见 |
P98934-100g 磷酸二氢钠 [7558-80-7] PT 100g 65.00
|
P98931-500g | 磷酸二氢钠 [7558-80-7] | 用于细胞与昆虫细胞培养,≥99.0% (T) | 500g | 480.00 | 480.00 | 登录可见 |
P98931-500g 磷酸二氢钠 [7558-80-7] 用于细胞与昆虫细胞培养,≥99.0% (T) 500g 480.00
|
P98930-100g | 磷酸二氢钠 [7558-80-7] | 用于细胞与昆虫细胞培养,≥99.0% (T) | 100g | 220.00 | 220.00 | 登录可见 |
P98930-100g 磷酸二氢钠 [7558-80-7] 用于细胞与昆虫细胞培养,≥99.0% (T) 100g 220.00
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化学性质
质量标准
Q/(HG)SJ 715-1996
项目Item 分析纯 化学纯
(AR) (CP)
含量(NaH2PO4)Assay,% ≥99.0 98.0
PH(50g/L,25℃)PH 4.2-4.8 4.2-4.8
澄清度试验Clarity 合格 合格
水不溶物lnsoluble matter in water,% ≤0.03 0.05
氯化物(Cl)Chloride,% ≤0.005 0.01
硝酸盐(NO3)Nitrate,% ≤0.005 0.01
钾(K)Potassium,% ≤0.04 0.08
铁(Fe)Iron,% ≤0.001 0.005
砷(As)Arsenic,% ≤0.0005 0.0008
重金属(以Pb计)Heavy metals,% ≤0.003 0.005
氨沉淀物Snbstances precipitated ≤0.01 0.02
by Ammonia,%
99.999% metals basis:
外观Appearance 白色粉末或块状物
X-射线衍射分析X-Ray Diffraction Conforms to Structure
纯度Purity ≥99.999% Based On Trace Metals Analysis
ICP: Confirms Na and P Components Confirmed
磷P 25.5 - 26.0 % (Titration NaOH)
痕量金属分析Trace Metal Analysis ≤20ppm by ICP Atomic emission
(B、Ba、Ca、Fe、Mg、Zn)
痕量金属分析Trace Metal Analysis ≤20ppm by Atomic Absorption
(Li、K、Rb、Cs)
品级Grade 分子生物学级
(for molecular biology, anhydrous, ≥99%)
外观Appearance 白色至类白色粉末
红外光谱鉴别Infrared spectrometry Conforms to Structure
纯度Purity ≥99.0%
水溶解试验solubility in water clear colorless ,100mg/ml in water
水分water ≤0.5%(K.F)
氯chloride (Cl-): ≤40 ppm
铁Fe: ≤30 ppm
DNase, RNase and protease, none detected
品级Grade 细胞与昆虫细胞培养级
(for cell culture, for insect cell culture)
外观Appearance 白色至类白色粉末
纯度Purity ≥99.0% (中和滴定)
水溶解试验solubility in water clear colorless , 10g plus in 100ml water
细胞培养测试Cell culture test pass
昆虫细胞培养测试Insect cell culture test pass
品级Grade 色谱纯
(grade for HPLC )
含量assay ≥99.0% (T)
pH 4.0-4.5 (20 °C, 10% in H2O)
solubility H2O: soluble0.1 g/mL at 25 °C, clear, colorless
λ 10 % in H2O
UV absorption
λ: 210 nm A: ≤0.1
λ: 260 nm A: ≤0.06
λ: 280 nm A: ≤0.04
λ: 320 nm A: ≤0.02
λ: 500 nm A: ≤0.02
RP gradient test corresponds to standard
filter test corresponds to standard
危险性质
危险品标志 Xi
WGK Germany 1
F 3
RTECS号 WA1900000
危险类别码 36/37/38
安全说明 26-36
用途及存储
用途 用作分析试剂、缓冲剂和软水剂
用途 用于锅炉水处理、电镀、制革、染料、医药、食品等工业