High Quality Sodium Lauryl Ether Sulfate(Sles) - REACH certificate UV Absorber UV 326 powder cas 3896-11-5 – Theorem

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High Quality Sodium Lauryl Ether Sulfate(Sles) - REACH certificate UV Absorber UV 326 powder cas 3896-11-5 – Theorem Detail:

Chemical Name		2-(2′-Hydroxy-3′-tert-butyl-5′-methylphenyl)-5 chlorobenzotriazole
Trade Name		UV 326
Formula		C₁₇H₁₈N₃OCl
CAS NO.		3896-11-5
Molecular Weight		315.8
Specifications	Appreance	Yellowish crystalline powder
	Purity	≥99%(HPLC)
	Melting Point	137-142 ^oC
	Ash	≤0.1%
	Loss On Drying	≤0.5%
	Transmittance	460 nm≥93% 500 nm≥96%
Advantage and Application		1. This product is a high efficient UV absorber, which can effectively absorb 270-380 nm UV light. 2. Odorless, good thermo stability under high temperature. 3. Not stained in alkali，and oil resistant. 4. This product almost does not absorb visible light, particularly applicable to colorless and light-colored products. 5. Mainly applied to polyolefin (especially in food grade products), PVC, PA, ABS resin, AS resin, PU, etc.
Recommendeddosage		PVC	polyolefin	ABS resin
		0.2-0.5 %	0.2-0.5%	0.3-0.5%
Package		20KG or 25KG cartons or drums

Product	UV 326
CAS#	3896-11-5
Batch No	20220501
Date of manufacture	1st May.2022	Shelf life	12 months
Iteam	Specification	Results
Appearance	Light yellow powder	Light yellow powder
Assay	≥99.00%	99.57%
Ash	≤ 0.10%	0.03%
Volatile matter	≤ 0.50%	0.18%
Melting point	137.00℃~141.00℃	138.40℃~139.60℃
Transmittance(%): 460nm	≥95.00%	96.43%
Transmittance(%): 500nm	≥97.00%	99.08%
Conclusion	QUALIFIED

UV absorber
1.	UV 328 CAS 25973-55-1
2.	UV P CAS 2440-22-4
3.	UV 329 CAS 3147-75-9
4.	UV 360 CAS 103597-45-1
5.	UV 770 CAS 52829-07-9
Light stabilizer
1.	LS 123 CAS 129757-67-1
2.	S-EED CAS 42774-15-2
3.	LS 770 CAS 52829-07-9
4.	LS 944 CAS 71878-19-8
5.	LS 3853S mixture
Photoinitiator
1.	MBF CAS 15206-55-0
2.	TPO-L CAS 84434-11-7
3.	DETX CAS 82799-44-8
4.	EDB CAS 10287-53-3
5.	1173 CAS 7473-98-5
Antioxidant
1.	BHT CAS 128-37-0
2.	AN 168 CAS 31570-04-4
3.	AN 1135 CAS 125643-61-0
4.	AN 1098 CAS 23128-74-7
5.	AN 1010 CAS 6683-19-8

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