有資質(zhì)藥用依地酸二鈉500g 25kg現(xiàn)貨 藥用級依地酸二鈉

有資質(zhì)藥用依地酸二鈉500g 25kg現(xiàn)貨 藥用級依地酸二鈉

有資質(zhì)藥用依地酸二鈉500g 25kg現(xiàn)貨 藥用級依地酸二鈉

CAS號[6831-92-6]

英文名Disodium Edetate

分子式與分子量C10H14N2Na2O8·2H2O  372.24羧甲基纖維素鈉

羧甲基纖維素鈉 性質(zhì)

熔點 274 °C (dec.)

密度 1,6 g/cm3

FEMA 2239 | CARBOXYMETHYLCELLULOSE

儲存條件 room temp

溶解度 H2O: 20 mg/mL, soluble

形態(tài) low viscosity

酸度系數(shù)(pKa) 4.30(at 25℃)

顏色 White to light yellow

PH值 pH (10g/l, 25℃) 6.0～8.0

水溶解性 soluble

Merck 14,1829

穩(wěn)定性 Stable. Incompatible with strong oxidizing agents.

EPA化學物質(zhì)信息 Cellulose, carboxymethyl ether, sodium salt(9004-32-4)

碳酸氫鈉

碳酸氫鈉 性質(zhì)

熔點 >300 °C(lit.)

沸點 851°C

密度 2.16 g/mL at 25 °C(lit.)

折射率 1.500

儲存條件 2-8°C

溶解度 H2O: 1 M at 20 °C, clear, colorless

形態(tài) solution (7.5%)

顏色 White

比重 2.159

酸堿指示劑變色ph值范圍 7.8 - 8.2

PH值 8.3 (0.1molfreshly prepared)

酸度系數(shù)(pKa) (1) 6.37, (2) 10.25 (carbonic (at 25℃)

水溶解性 9 g/100 mL (20 oC)

Merck 14,8583

十二烷基硫酸鈉

十二烷基硫酸鈉 性質(zhì)

熔點 204-207 °C(lit.)

密度 1.03 g/mL at 20 °C

FEMA 4437 | SODIUM LAURYL SULFATE

閃點 >100°C

儲存條件 Store at RT.

溶解度 H2O: 0.1 M, clear to nearly clear, colorless to slightly yellow

形態(tài) Powder or Crystals

顏色 White to pale yellow

PH值 6-9 (10g/l, H2O, 20℃)

水溶解性 ca. 150 g/L (20 oC)

波長(λmax) λ: 260 nm Amax: 0.3

λ: 280 nm Amax: 0.2

Merck 14,8636

三氯叔丁醇

三氯叔丁醇 性質(zhì)

熔點 ~78 °C

沸點 173 °C

密度 1.3170 (estimate)

閃點 >110°C

儲存條件 -20°C

溶解度 Slightly soluble in water, very soluble in ethanol (96 per cent), soluble in glycerol (85 per cent).

穩(wěn)定性 Stable. Generates toxic fumes on combustion.

CAS 數(shù)據(jù)庫 57-15-8(CAS DataBase Reference)

NIST化學物質(zhì)信息 2-(Trichloromethyl)-2-propanol(57-15-8)

EPA化學物質(zhì)信息 2-Propanol, 1,1,1-trichloro-2-methyl-(57-15-8)

海藻酸鈉 性質(zhì)

FEMA 2014 | ALGIN (LAMINARIA SPP. AND OTHER KELPS)

儲存條件 Store at RT.

溶解度 Slowly soluble in water forming a viscous, colloidal solution, practically insoluble in ethanol (96 per cent).

形態(tài) powder

顏色 White to Off-white

PH值 6.0-8.0 (10mg/mL in H2O)

水溶解性 Soluble in water. Insoluble in alcohol, chloroform and ether.

敏感性 Hygroscopic

Merck 14,241

穩(wěn)定性 Stable. Incompatible with strong acids, strong bases, strong oxidizing agents.

CAS 數(shù)據(jù)庫 9005-38-3(CAS DataBase Reference)

EPA化學物質(zhì)信息 Alginic acid, sodium salt(9005-38-3)

β-環(huán)糊精 性質(zhì)

熔點 >260 °C (dec.)(lit.)

沸點 844.96°C (rough estimate)

比旋光度 [α]D25 +159～+165° (c=1, H2O) (After Drying)

密度 1.2296 (rough estimate)

折射率 1.7500 (estimate)

FEMA 4028 | BETA-CYCLODEXTRIN

儲存條件 +15C to +30C

溶解度 1 M NaOH: 50 mg/mL

形態(tài) powder

顏色 white

PH值 5.0-8.0 (1% in solution, Ph Eur)

旋光性 (optical activity) [α]20/D +162±3°, c = 1.5% in H2O

水溶解性 Soluble in water and ammonium hydroxide.

Merck 14,2718

BRN 78623

穩(wěn)定性 Stable. Incompatible with strong oxidizing agents.

甘油化學性質(zhì)

熔點 : 20 °C(lit.)

沸點 : 290 °C

密度 : 1.25 g/mL(lit.)

蒸氣密度: 3.1 (vs air)

蒸氣壓: <1 mm Hg ( 20 °C)

折射率 : n20/D 1.474(lit.)

FEMA : 2525 | GLYCEROL

閃點 : 320 °F

儲存條件 : 2-8°C

溶解度 : H2O: 5 M at 20 °C, clear, colorless

酸度系數(shù)(pKa): 14.15(at 25℃)

形態(tài): Viscous Liquid

顏色: APHA: ≤10

比重: 1.265 (15/15℃)1.262

氣味 (Odor): Odorless.

PH值: 5.5-8 (25℃, 5M in H2O)

爆炸極限值(explosive limit): 2.6-11.3%(V)

苯扎氯銨 性質(zhì)

沸點 >100°C/760mmHg

密度 0.98

儲存條件 2-8°C

溶解度 Very soluble in water and in ethanol (96 per cent). An aqueous solution froths copiously when shaken.

形態(tài) Viscous Solution

顏色 Clear or white to yellow, may contain yellow-white fragments

比重 0.98

穩(wěn)定性 Stable. Incompatible with strong oxidizing agents, moisture. Hygroscopic.

CAS 數(shù)據(jù)庫 8001-54-5(CAS DataBase Reference)

EPA化學物質(zhì)信息 Quaternary ammonium compounds, alkylbenzyldimethyl, chlorides(8001-54-5)

磷酸氫二鈉

磷酸氫二鈉 性質(zhì)

熔點 243-245 °C

密度 1.064 g/mL at 20 °C

蒸氣密度 4.9 (vs air)

FEMA 2398 | DISODIUM PHOSPHATE

儲存條件 Store at RT.

溶解度 H2O: 0.5 M at 20 °C, clear, colorless

形態(tài) powder

顏色 White

PH值 8.9-9.2 (25℃, 50g/L in water)

性狀本品為白色或類白色結(jié)晶性粉末；無臭。

漢語拼音Yidisuan'erna

本品在水中溶解，在甲醇、乙醇或三L甲烷中幾乎不溶。

來源及含量

本品為乙二胺四醋酸二鈉鹽二水合物。含C10H14N2Na2O8·2H2O應為99.0%～101.0%.

3.7 鑒別

cp版級依地酸二鈉500g一瓶 有質(zhì)檢單