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Methylene blue (C.I. 52015)

redox indicator, Reag. Ph Eur

Synonyma:

Methylene Blue trihydrate, Methylthioninium chloride, 3,7-Bis(dimethylamino)phenothiazinium chloride, Tetramethylthionine chloride

Přihlásitk zobrazení cen stanovených pro organizaci a smluvních cen

Vybrat velikost

10 G
899,00 Kč
100 G
3 310,00 Kč

899,00 Kč

Očekávané datum odeslání04. června 2025podrobné informace

Vyžádat hromadnou objednávku
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Vybrat velikost

Změnit zobrazení
10 G
899,00 Kč
100 G
3 310,00 Kč

About This Item

Empirický vzorec (Hillův zápis):
C16H18ClN3S · 3H2O
Číslo CAS:
7220-79-3
Molekulová hmotnost:
373.90
Beilstein/REAXYS Number:
3599847
MDL number:
MFCD00012111
UNSPSC Code:
12352107
EC Index Number:
200-515-2
NACRES:
NA.05

899,00 Kč

Očekávané datum odeslání04. června 2025podrobné informace

Vyžádat hromadnou objednávku

Název produktu

Methylene blue (C.I. 52015), Reag. Ph Eur

agency

reag. Ph. Eur.
suitable for SM 4500 - NH3

Quality Level

200

form

powder

potency

1180 mg/kg LD50, oral (Rat)

loss

10-15% loss on drying, 110 °C

color

dark green

pH

3 (20 °C, 10 g/L in H2O)

mp

190 °C (dec.) (lit.)

solubility

50 g/L

bulk density

400‑600 kg/m3

λmax

660-665 nm at 50% in ethanol

storage temp.

2-30°C

SMILES string

[Cl-].CN(C)c1ccc2N=C3C=C\C(C=C3Sc2c1)=[N+](/C)C

InChI

1S/C16H18N3S.ClH/c1-18(2)11-5-7-13-15(9-11)20-16-10-12(19(3)4)6-8-14(16)17-13;/h5-10H,1-4H3;1H/q+1;/p-1

InChI key

CXKWCBBOMKCUKX-UHFFFAOYSA-M

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Analysis Note

Appearance: Dark green powder, eventually with granular and bright parts.
Identity (UV/VIS-Spectrum): passes test
Absorption maximum λmax. (ethanol 50 %): 660 - 665 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.003 g/l; ethanol 50 %): 2250 - 2750
Loss on drying (110 °C): 10 - 15 %

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H302

Hazard Classifications

Acute Tox. 4 Oral

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Questions

1–3 of 3 Questions  

  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

      Helpful?

  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

      Helpful?

  3. İs this product Pharmagrade,Usp certificiate? Use for human oraly.?

    1 answer

    1. This product is not a pharmaceutical grade product and is not suitable for human or animal use. Unfortunately, a pharmaceutical grade methylene blue is not currently offered.

      Helpful?

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