Purine

Modify Date: 2024-01-02 10:12:09

Purine structure	Common Name	Purine
	CAS Number	120-73-0	Molecular Weight	120.112
	Density	1.5±0.1 g/cm3	Boiling Point	424oC at 760mmHg
	Molecular Formula	C5H4N4	Melting Point	214-217 °C(lit.)
	MSDS	ChineseUSA	Flash Point	225.4oC

Purity		Quantity		Budget		Inquiry

• Properties

• Articles107

• Spectrum

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 Names

Name	9H-purine
Synonym	More Synonyms

 Chemical & Physical Properties

Density	1.5±0.1 g/cm3
Boiling Point	424oC at 760mmHg
Melting Point	214-217 °C(lit.)
Molecular Formula	C5H4N4
Molecular Weight	120.112
Flash Point	225.4oC
Exact Mass	120.043594
PSA	54.46000
LogP	-0.37
Vapour Pressure	0.0976mmHg at 25°C
Index of Refraction	1.738
Storage condition	2-8°C
Water Solubility	400 g/L (20 oC)

 MSDS

Purine MSDS(Chinese)

 Toxicological Information

CHEMICAL IDENTIFICATION RTECS NUMBER : UO7450000 CHEMICAL NAME : Purine CAS REGISTRY NUMBER : 120-73-0 LAST UPDATED : 199504 DATA ITEMS CITED : 7 MOLECULAR FORMULA : C5-H4-N4 MOLECULAR WEIGHT : 120.13 WISWESSER LINE NOTATION : T56 BM DN FN HNJ HEALTH HAZARD DATA ACUTE TOXICITY DATA TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 800 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value TYPE OF TEST : LD10 - Lethal Dose ROUTE OF EXPOSURE : Unreported SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 400 mg/kg TOXIC EFFECTS : Blood - changes in bone marrow (not otherwise specified) TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 156 mg/kg/8W-I TOXIC EFFECTS : Tumorigenic - equivocal tumorigenic agent by RTECS criteria Liver - tumors MUTATION DATA TYPE OF TEST : DNA damage TEST SYSTEM : Mammal - species unspecified Lymphocyte DOSE/DURATION : 50 mmol/L REFERENCE : PNASA6 Proceedings of the National Academy of Sciences of the United States of America. (National Academy of Sciences, Printing & Pub. Office, 2101 Constitution Ave., Washington, DC 20418) V.1- 1915- Volume(issue)/page/year: 48,686,1962 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X7178 No. of Facilities: 7 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 1822 (estimated) No. of Female Employees: 272 (estimated)

 Safety Information

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Safety Phrases	S22-S24/25
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	UO7450000
HS Code	2933990090

 Synthetic Route

Previous 1/16 Next

(Z)-Methanimidi... 77287-34-4 ~% methanediimine 151-51-9 Purine 120-73-0

Literature: Journal of the American Chemical Society, , vol. 130, # 46 p. 15512 - 15518

(Z)-Methanimidi... 77287-34-4 ~% pyrimidone 557-01-7 methanediimine 151-51-9 Purine 120-73-0

Literature: Journal of the American Chemical Society, , vol. 130, # 46 p. 15512 - 15518

(Z)-Methanimidi... 77287-34-4 ~% Purine 120-73-0

Literature: Chemische Berichte, , vol. 89, p. 12,14,17

 Customs

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Company Profile

    Our company is a high-tech enterprise specializing in chemical raw materials such as electronic materials, optoelectronic materials, semiconductor materials, UV monomers, silane catalysts, cosmetic raw materials, etc. The company integrates research and development, production, customized synthesis, and sales, and is committed to providing customers with high-quality chemical product solutions.

Our Company

Our Advantage

Quality control

Based on industry norms, customer requirements, and internal quality objectives, we establish clear quality standards. By monitoring the production process in real-time, we ensure that every step conforms to the predetermined quality standards.

Excellent quality is one of the cornerstones of our success. We welcome ordering samples for quality testing.

Technological innovation

Our technological innovation is reflected in the development of new materials that are at the leading edge of the industry. These materials not only possess higher performance and lower costs but also enable sustainable use within an environmentally friendly production process.

Competitiveness

Based on rich experience in material development and production, we have established a more scientific cost control system. By ensuring product quality, and through refined management and continuous process optimization, we offer more competitive prices.

Word of mouth

Adhering to the principle of customer first, customer first, and honest service, we have established long-term business relationships with customers and are deeply welcomed and trusted by them.

Rich experience

Our products have been exported to many countries, including Germany, Spain, the United Kingdom, the United States, Australia, the Middle East, Asia, and more. We have received highly positive feedback from our clients and have established long-term friendly cooperative relationships with them.

Safe and fast delivery

We will arrange shipment of spot products as soon as we receive payment.

Customized products are determined based on the synthesis time of different products.

Excellent pre-sales and after-sales service

Pre sales:

We are committed to providing the most favorable quotes and detailed information about our products and company.

After-sale service:

We assist buyers in customs clearance by providing necessary documents and information.

If there is any dispute over product quality, we are committed to providing the best solution.

Our packaging and shipping

? Packaging: 

1kg/bag or bottle, 25kg/drum, 50kg/drum, 200L/drum, 1T/bag or IBC drum, standard export packaging or packaging required by customers.

? Shipping

? Delivery:

Within 7 days after receiving your payment

Contact information

For more details, pls contact us freely.

Name: Elin

Email: jiuyitime@fdachem.com

 Sincerely hope to establish friendly business relationships with new and old customers, and jointly create a beautiful future for the fine chemical industry!