Product introduction of big red powder (pigment red 21)

3132 Big Red Powder (C.I. Pigment Red 21)

The index number：C.I.P.R.21

English name: Pigment Red 21，C.I.Pigment Red 21，3132-Fast Red

Chinese alias: C.I. Pigment Red 21; Big Red Powder; Light Fast Big Red Powder; Heat Resistant Big Red Powder; Big Red Pigment; 3132 Big Red; Pigment Red 21

1. physical index

Lightfastness: Level 6-7

Heat resistance: 140℃.

Acid resistance: level 5

Alkali resistance: level 5

Water resistance: Level 4

Oil resistance: Level 2-3 

2. Product parameters

Tinting strength (standard): 95-105%;

Moisture content: ≤1.5%

Water-soluble matter: ≤1.5%;

Oil absorption: 35-45%;

Sieve residue (20 mesh): ≤5%

Refractive index: 1.665

Density: 1.31

CAS number: 6410-26-0

Molecular formula: C23H16ClN3O2

Molecular weight: 401.84500

Customs code: 3204170000

3. Pigment Properties

Shandong Caizhiyuan Pigment Technology: 3132 Big Red Powder (C.I. Pigment Red 21) is a yellow bright scarlet pigment with bright color, high tinting strength, excellent acid and alkali resistance, excellent light fastness and dispersibility. In paint coatings, it can be mixed with medium chrome yellow pigments to create a bright orange. In plastics, flowability and migration resistance are excellent.

4. Application field

Mainly used for powder coating, paint, coating printing paste, water-based color paste, chalk color paste, candle, fertilizer, paper, printing pad, printing oil, wall powder coloring, etc.

5. Product packaging

Packed in kraft paper bags, net weight 25kg/bag.

Main advantage products:

Organic Pigment Red: 3132 big red powder, sunfast bright red BBN, sunfast bright red BBC, golden light red C, Lisol Baohong BK, sunfast bright red 2BP, Lisol magenta 4BP, permanent red FGR (pigment red 112), pigment red 122, Permanent Red F3RK, Permanent Red F5RK, Pigment Red 177, Pigment Red 185, Pigment Red 254.

Organic Pigment Yellow: Organic medium yellow, organic lemon yellow, lightfast yellow G, permanent yellow 2G, permanent yellow 2GS, permanent yellow HR (pigment yellow 83), permanent yellow HGR (pigment yellow 191), pigment yellow 81, pigment yellow 110 , Pigment Yellow 138, Pigment Yellow 139, Pigment Yellow 151, Pigment Yellow 154, Pigment Yellow 168, Pigment Yellow 180, Pigment Yellow 183.

Organic Pigment Orange: Pigment Orange 16, Everlasting Orange G, Everlasting Orange RL (Pigment Orange 34), Everlasting Orange HL (Pigment Orange 36), Everlasting Orange GP (Pigment Orange 64).

Organic Pigment Violet: Pigment Violet 19, Permanent Violet RL (Pigment Violet 23)

Phthalocyanine Pigment:  Phthalocyanine Blue BGS, Phthalocyanine Green G

Inorganic Pigments：Light chrome yellow, coated light chrome yellow, medium chrome yellow, coated medium chrome yellow, dark chrome yellow, coated dark chrome yellow, lemon chrome yellow, coated lemon chrome yellow, molybdenum chrome red, molybdenum chrome red, ultramarine blue , high pigment carbon black, Hualan (iron blue, Prussian blue)

Iron oxide series pigments：Iron oxide red, iron oxide yellow, coated high temperature resistant iron oxide yellow, iron oxide black, iron oxide blue, iron oxide green.