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Key Documents

1.04137

Sigma-Aldrich

Crystal violet (C.I. 42555)

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About This Item

经验公式(希尔记法):
C25H30ClN3
CAS号:
分子量:
407.98
MDL號碼:
分類程式碼代碼:
41116130
NACRES:
NA.21

形狀

solid

品質等級

效力

420 mg/kg LD50, oral (Rat)

成份

Dye, ≥88% spectrophotometric assay

pH值

2.5-3.5 (20 °C, 10 g/L in H2O)

mp

189-194 °C

溶解度

10 g/L

密度

1.19 g/L at 20 °C

體積密度

220‑400 kg/m3

應用

diagnostic assay manufacturing
hematology
histology

儲存溫度

2-30°C

InChI

1S/C25H30N3.ClH/c1-26(2)22-13-7-19(8-14-22)25(20-9-15-23(16-10-20)27(3)4)21-11-17-24(18-12-21)28(5)6;/h7-18H,1-6H3;1H/q+1;/p-1

InChI 密鑰

ZXJXZNDDNMQXFV-UHFFFAOYSA-M

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一般說明

Crystal violet (C.I. 42555) for microscopy Certistain®, is a dry dye that can be used to produce a Crystal violet staining solution to differentiate Gram-positive and Gram-negative bacteria in samples of human origin. In the case of Gram-positive bacteria, the bacteria retain their dark blue / dark purple color even after the treatment with decolorizing solution. On the other side Gram-negative bacteria are stained red or pink with the counterstain. As CERTISTAIN® dye it is chemically quality-certified according to highest standards and strict specifications.

應用

for microscopy Certistain®

分析報告

Dye content (spectrophotometrically): ≥ 88%
Identity (UV/VIS-Spectrum): passes test
Absorption maximum λ max (water): 589 - 594 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.002 g/l; water): 2050 - 2450
TLC-Test: passes test
Michler`s ketone: <0.10%
Loss on drying (110 °C): ≤ 10%
Suitability for microscopy: passes test

法律資訊

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

訊號詞

Danger

危險分類

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 2 - Eye Dam. 1

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable


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