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232807

Sigma-Aldrich

1,3-Dichlor-5,5-dimethylhydantoin

available chlorine 68 %

Synonym(e):

1,3-Dichlor-5,5-dimethyl-2,4-imidazolidindion, DCDMH, NSC 33307, NSC 38630

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250 G
CHF 54.80
1 KG
CHF 108.00

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250 G
CHF 54.80
1 KG
CHF 108.00

About This Item

Empirische Formel (Hill-System):
C5H6Cl2N2O2
CAS-Nummer:
118-52-5
Molekulargewicht:
197.02
Beilstein:
146013
EG-Nummer:
204-258-7
MDL-Nummer:
MFCD00003190
UNSPSC-Code:
12352100
PubChem Substanz-ID:
24853931
NACRES:
NA.22

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Form

powder

Qualitätsniveau

200

Zusammensetzung

available chlorine, 68%

mp (Schmelzpunkt)

132-134 °C (lit.)

Löslichkeit

water: soluble 0.21% at 25 °C(lit.)
carbon tetrachloride: freely soluble 12.5%(lit.)
chloroform: freely soluble 14%(lit.)
methylene chloride: freely soluble 30%(lit.)
benzene: freely soluble 9.2%(lit.)
chlorinated solvents: freely soluble at 25 °C(lit.)

SMILES String

CC1(C)N(Cl)C(=O)N(Cl)C1=O

InChI

1S/C5H6Cl2N2O2/c1-5(2)3(10)8(6)4(11)9(5)7/h1-2H3

InChIKey

KEQGZUUPPQEDPF-UHFFFAOYSA-N

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Anwendung

1,3-Dichloro-5,5-dimethylhydantoin was used:
  • in reaction of chlorination of cytosine base[1]
  • in the synthesis of α-chloroacetophenones[2]
  • as an effective oxidizing agent for the oxidation of urazoles and bis-urazoles to their corresponding triazolinediones[3]
Reagent involved in:
  • Microwave-assisted aromatization of trisubstituted pyrazolines
  • Asymmetric chlorolactonization chlorenium source
  • Oxidative chlorination for the synthesis of arenesulfonyl chlorides
  • Selective halogenation for the synthesis of halo ketones
  • Chlorination reactions

Signalwort

Danger

Gefahreneinstufungen

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Ox. Sol. 2 - Skin Irrit. 2 - Skin Sens. 1

Zusätzliche Gefahrenhinweise

EUH031

Lagerklassenschlüssel

5.1B - Oxidizing hazardous materials

WGK

WGK 2

Flammpunkt (°F)

345.2 °F

Flammpunkt (°C)

174 °C

Persönliche Schutzausrüstung

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

Hier finden Sie alle aktuellen Versionen:

Analysenzertifikate (COA)

Lot/Batch Number
MKCS9284
MKCR2638
MKCM7829
MKCG5830
MKBK2690V

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1-Chloro-1,2-benziodoxol-3(1H)-on

Akihiro Ohkubo et al.
The Journal of organic chemistry, 74(7), 2817-2823 (2009-03-03)
New 3'-terminal deoxyribonucleoside-loading reagents having a silyl-type linker were developed. They were effectively introduced into polymer supports under the conditions of Huisgen [3 + 2] cycloaddition without base protection. Moreover, four unmodified DNA oligomers d[TACCTAAATCCAX] (X = T, A, C
[Hygienic evaluation of the possible use of 1,3-dichloro-5,5-dimethylhydantoin for the purpose of drinking water decontamination].
A A Semenova et al.
Gigiena i sanitariia, (3)(3), 11-13 (1982-03-01)
a-Chlorination of Acetophenones Using 1, 3-Dichloro-5, 5-Dimethylhydantoin.
Xu Z, et al.
Synthetic Communications, 36(2), 255-258 (2006)
Oxidation of urazoles with 1, 3-dihalo-5, 5-dimethylhydantoin, both in solution and under solvent-free conditions.
Zolfigol MA, et al.
Synlett, 5, 761-764 (2005)
Radovan Buffa et al.
Carbohydrate polymers, 250, 116928-116928 (2020-10-15)
Electron-deficient chlorine covalently immobilised on an amido group of hyaluronic acid (HA) can be potentially exceptional for applications requiring biodegradable and biocompatible polymers with enhanced antibacterial or antiviral activity. This expectation is supported by the assumption that a small amount
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Questions

1–2 of 2 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

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  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

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