Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 4,5-pyrimidinediamine
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 4,5-pyrimidinediamine
Price: ￥1248.0/1g
Purity: 95.0%
Stocking Period: 1 Day
Contact: Liu jia
Email: 2130147988@qq.com

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

Henan Tianfu Chemical Co., Ltd.
China
Product Name: 4,5-Diaminopyrimidine
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

13754-19-3

13754-19-3 structure

13754-19-3 structure

Name: 4,5-pyrimidinediamine
Chemical Name: 4,5-Diaminopyrimidine
CAS Number: 13754-19-3
Molecular Formula: C₄H₆N₄
Molecular Weight: 110.117
Catalog: Pharmaceutical intermediate Heterocyclic compound Pyrimidine compound Aminopyrimidine
Create Date: 2018-06-09 08:29:08
Modify Date: 2025-08-26 09:03:01

Name	4,5-Diaminopyrimidine
Synonyms	MFCD00006113 Pyrimidine-4,5-diamine EINECS 237-339-0 4,5-pyrimidinediamine

Density	1.4±0.1 g/cm3
Boiling Point	348.7±0.0 °C at 760 mmHg
Melting Point	204-206 °C(lit.)
Molecular Formula	C₄H₆N₄
Molecular Weight	110.117
Flash Point	175.8±9.5 °C
Exact Mass	110.059242
PSA	77.82000
LogP	-0.08
Vapour Pressure	0.0±0.7 mmHg at 25°C
Index of Refraction	1.695
Storage condition	-20°C

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
RIDADR	NONH for all modes of transport
WGK Germany	3
HS Code	2933599090

Precursor 8
4316-98-7 14631-08-4 1920-66-7 14623-58-6
78105-09-6 16008-45-0 550-33-4 10034-85-2
DownStream 9
583-40-4 2432-26-0 120-73-0 704-61-0
6642-26-8 878287-56-0 89454-37-5 89469-17-0
91-18-9

HS Code	2933599090
Summary	2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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