Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 2,4-Dihydroxy-5,6-dimethylpyrimidine
Price: Check
Purity: 97.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 2,4-Dihydroxy-5,6-dimethylpyrimidine
Price: ￥450.0/1g
Purity: 97.0%
Stocking Period: 2 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2,4-Dihydroxy-5,6-dimethylpyrimidine
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

26305-13-5

26305-13-5 structure

26305-13-5 structure

Name: 2,4-Dihydroxy-5,6-dimethylpyrimidine
Chemical Name: 5,6-dimethyl-1H-pyrimidine-2,4-dione
CAS Number: 26305-13-5
Molecular Formula: C₆H₈N₂O₂
Molecular Weight: 140.140
Create Date: 2018-04-07 08:00:00
Modify Date: 2025-09-10 10:35:50

Name	5,6-dimethyl-1H-pyrimidine-2,4-dione
Synonyms	5,6-dimethylpyrimidine-2,4-dione 2,4-Dihydroxy-5,6-dimethylpyrimidine 5,6-Dimethyl-2,4(1H,3H)-pyrimidinedione 5,6-dimethylpyrimidine-2,4-diol 5,6-DIMETHYLURACIL 5,6-Dimethylpyrimidine-2,4(1H,3H)-dione 2,4(1H,3H)-Pyrimidinedione, 5,6-dimethyl- EINECS 247-601-6 Uracil,5,6-dimethyl 5,6-dimethyl-2,4-(1H,3H)-pyrimidinedione MFCD00010708 6-Methylthymine 5,6-Dimethyl-2,4-pyrimidinediol

Density	1.2±0.1 g/cm3
Boiling Point	408.8ºC at 760mmHg
Melting Point	297-300 °C (dec.)(lit.)
Molecular Formula	C₆H₈N₂O₂
Molecular Weight	140.140
Flash Point	201ºC
Exact Mass	140.058578
PSA	65.72000
LogP	0.47
Vapour Pressure	2.88E-07mmHg at 25°C
Index of Refraction	1.482

CHEMICAL IDENTIFICATION

RTECS NUMBER :: YQ9750000

CHEMICAL NAME :: Uracil, 5,6-dimethyl-

CAS REGISTRY NUMBER :: 26305-13-5

LAST UPDATED :: 199206

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C6-H8-N2-O2

MOLECULAR WEIGHT :: 140.16

WISWESSER LINE NOTATION :: T6MVMVJ E1 F1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 140 mg/kg

TOXIC EFFECTS :: Behavioral - antipsychotic

REFERENCE :: CPBTAL Chemical and Pharmaceutical Bulletin. (Japan Pub. Trading Co., USA, 1255 Howard St., San Francisco, CA 94103) V.6- 1958- Volume(issue)/page/year: 6,490,1958

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Safety Phrases	S24/25
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	YQ9750000

Precursor 8
609-14-3 57-13-6 28456-54-4 138395-56-9
55996-08-2 500115-75-3 626-48-2 420-05-3
DownStream 7
14161-00-3 591-07-1 144-62-7 124443-49-8
10045-58-6 1780-32-1 120129-83-1

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